diff options
author | Jesse Duffield <jessedduffield@gmail.com> | 2018-08-14 18:05:18 +1000 |
---|---|---|
committer | Jesse Duffield <jessedduffield@gmail.com> | 2018-08-14 18:05:18 +1000 |
commit | c02f474bf341e647a92d5228d75cdd5f0c28d8c6 (patch) | |
tree | 05b58db5bf5c3de89da6c7f2fde7a861f72a7d63 /vendor/github.com | |
parent | b32173b0c724102f7817f313d07dd257e4299909 (diff) |
update dependencies
Diffstat (limited to 'vendor/github.com')
-rw-r--r-- | vendor/github.com/davecgh/go-spew/LICENSE | 15 | ||||
-rw-r--r-- | vendor/github.com/davecgh/go-spew/spew/bypass.go | 152 | ||||
-rw-r--r-- | vendor/github.com/davecgh/go-spew/spew/bypasssafe.go | 38 | ||||
-rw-r--r-- | vendor/github.com/davecgh/go-spew/spew/common.go | 341 | ||||
-rw-r--r-- | vendor/github.com/davecgh/go-spew/spew/config.go | 306 | ||||
-rw-r--r-- | vendor/github.com/davecgh/go-spew/spew/doc.go | 211 | ||||
-rw-r--r-- | vendor/github.com/davecgh/go-spew/spew/dump.go | 509 | ||||
-rw-r--r-- | vendor/github.com/davecgh/go-spew/spew/format.go | 419 | ||||
-rw-r--r-- | vendor/github.com/davecgh/go-spew/spew/spew.go | 148 | ||||
-rw-r--r-- | vendor/github.com/mgutz/str/LICENSE | 21 | ||||
-rw-r--r-- | vendor/github.com/mgutz/str/doc.go | 19 | ||||
-rw-r--r-- | vendor/github.com/mgutz/str/funcsAO.go | 337 | ||||
-rw-r--r-- | vendor/github.com/mgutz/str/funcsPZ.go | 534 |
13 files changed, 3050 insertions, 0 deletions
diff --git a/vendor/github.com/davecgh/go-spew/LICENSE b/vendor/github.com/davecgh/go-spew/LICENSE new file mode 100644 index 000000000..c83641619 --- /dev/null +++ b/vendor/github.com/davecgh/go-spew/LICENSE @@ -0,0 +1,15 @@ +ISC License + +Copyright (c) 2012-2016 Dave Collins <dave@davec.name> + +Permission to use, copy, modify, and distribute this software for any +purpose with or without fee is hereby granted, provided that the above +copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. diff --git a/vendor/github.com/davecgh/go-spew/spew/bypass.go b/vendor/github.com/davecgh/go-spew/spew/bypass.go new file mode 100644 index 000000000..8a4a6589a --- /dev/null +++ b/vendor/github.com/davecgh/go-spew/spew/bypass.go @@ -0,0 +1,152 @@ +// Copyright (c) 2015-2016 Dave Collins <dave@davec.name> +// +// Permission to use, copy, modify, and distribute this software for any +// purpose with or without fee is hereby granted, provided that the above +// copyright notice and this permission notice appear in all copies. +// +// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +// NOTE: Due to the following build constraints, this file will only be compiled +// when the code is not running on Google App Engine, compiled by GopherJS, and +// "-tags safe" is not added to the go build command line. The "disableunsafe" +// tag is deprecated and thus should not be used. +// +build !js,!appengine,!safe,!disableunsafe + +package spew + +import ( + "reflect" + "unsafe" +) + +const ( + // UnsafeDisabled is a build-time constant which specifies whether or + // not access to the unsafe package is available. + UnsafeDisabled = false + + // ptrSize is the size of a pointer on the current arch. + ptrSize = unsafe.Sizeof((*byte)(nil)) +) + +var ( + // offsetPtr, offsetScalar, and offsetFlag are the offsets for the + // internal reflect.Value fields. These values are valid before golang + // commit ecccf07e7f9d which changed the format. The are also valid + // after commit 82f48826c6c7 which changed the format again to mirror + // the original format. Code in the init function updates these offsets + // as necessary. + offsetPtr = uintptr(ptrSize) + offsetScalar = uintptr(0) + offsetFlag = uintptr(ptrSize * 2) + + // flagKindWidth and flagKindShift indicate various bits that the + // reflect package uses internally to track kind information. + // + // flagRO indicates whether or not the value field of a reflect.Value is + // read-only. + // + // flagIndir indicates whether the value field of a reflect.Value is + // the actual data or a pointer to the data. + // + // These values are valid before golang commit 90a7c3c86944 which + // changed their positions. Code in the init function updates these + // flags as necessary. + flagKindWidth = uintptr(5) + flagKindShift = uintptr(flagKindWidth - 1) + flagRO = uintptr(1 << 0) + flagIndir = uintptr(1 << 1) +) + +func init() { + // Older versions of reflect.Value stored small integers directly in the + // ptr field (which is named val in the older versions). Versions + // between commits ecccf07e7f9d and 82f48826c6c7 added a new field named + // scalar for this purpose which unfortunately came before the flag + // field, so the offset of the flag field is different for those + // versions. + // + // This code constructs a new reflect.Value from a known small integer + // and checks if the size of the reflect.Value struct indicates it has + // the scalar field. When it does, the offsets are updated accordingly. + vv := reflect.ValueOf(0xf00) + if unsafe.Sizeof(vv) == (ptrSize * 4) { + offsetScalar = ptrSize * 2 + offsetFlag = ptrSize * 3 + } + + // Commit 90a7c3c86944 changed the flag positions such that the low + // order bits are the kind. This code extracts the kind from the flags + // field and ensures it's the correct type. When it's not, the flag + // order has been changed to the newer format, so the flags are updated + // accordingly. + upf := unsafe.Pointer(uintptr(unsafe.Pointer(&vv)) + offsetFlag) + upfv := *(*uintptr)(upf) + flagKindMask := uintptr((1<<flagKindWidth - 1) << flagKindShift) + if (upfv&flagKindMask)>>flagKindShift != uintptr(reflect.Int) { + flagKindShift = 0 + flagRO = 1 << 5 + flagIndir = 1 << 6 + + // Commit adf9b30e5594 modified the flags to separate the + // flagRO flag into two bits which specifies whether or not the + // field is embedded. This causes flagIndir to move over a bit + // and means that flagRO is the combination of either of the + // original flagRO bit and the new bit. + // + // This code detects the change by extracting what used to be + // the indirect bit to ensure it's set. When it's not, the flag + // order has been changed to the newer format, so the flags are + // updated accordingly. + if upfv&flagIndir == 0 { + flagRO = 3 << 5 + flagIndir = 1 << 7 + } + } +} + +// unsafeReflectValue converts the passed reflect.Value into a one that bypasses +// the typical safety restrictions preventing access to unaddressable and +// unexported data. It works by digging the raw pointer to the underlying +// value out of the protected value and generating a new unprotected (unsafe) +// reflect.Value to it. +// +// This allows us to check for implementations of the Stringer and error +// interfaces to be used for pretty printing ordinarily unaddressable and +// inaccessible values such as unexported struct fields. +func unsafeReflectValue(v reflect.Value) (rv reflect.Value) { + indirects := 1 + vt := v.Type() + upv := unsafe.Pointer(uintptr(unsafe.Pointer(&v)) + offsetPtr) + rvf := *(*uintptr)(unsafe.Pointer(uintptr(unsafe.Pointer(&v)) + offsetFlag)) + if rvf&flagIndir != 0 { + vt = reflect.PtrTo(v.Type()) + indirects++ + } else if offsetScalar != 0 { + // The value is in the scalar field when it's not one of the + // reference types. + switch vt.Kind() { + case reflect.Uintptr: + case reflect.Chan: + case reflect.Func: + case reflect.Map: + case reflect.Ptr: + case reflect.UnsafePointer: + default: + upv = unsafe.Pointer(uintptr(unsafe.Pointer(&v)) + + offsetScalar) + } + } + + pv := reflect.NewAt(vt, upv) + rv = pv + for i := 0; i < indirects; i++ { + rv = rv.Elem() + } + return rv +} diff --git a/vendor/github.com/davecgh/go-spew/spew/bypasssafe.go b/vendor/github.com/davecgh/go-spew/spew/bypasssafe.go new file mode 100644 index 000000000..1fe3cf3d5 --- /dev/null +++ b/vendor/github.com/davecgh/go-spew/spew/bypasssafe.go @@ -0,0 +1,38 @@ +// Copyright (c) 2015-2016 Dave Collins <dave@davec.name> +// +// Permission to use, copy, modify, and distribute this software for any +// purpose with or without fee is hereby granted, provided that the above +// copyright notice and this permission notice appear in all copies. +// +// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +// NOTE: Due to the following build constraints, this file will only be compiled +// when the code is running on Google App Engine, compiled by GopherJS, or +// "-tags safe" is added to the go build command line. The "disableunsafe" +// tag is deprecated and thus should not be used. +// +build js appengine safe disableunsafe + +package spew + +import "reflect" + +const ( + // UnsafeDisabled is a build-time constant which specifies whether or + // not access to the unsafe package is available. + UnsafeDisabled = true +) + +// unsafeReflectValue typically converts the passed reflect.Value into a one +// that bypasses the typical safety restrictions preventing access to +// unaddressable and unexported data. However, doing this relies on access to +// the unsafe package. This is a stub version which simply returns the passed +// reflect.Value when the unsafe package is not available. +func unsafeReflectValue(v reflect.Value) reflect.Value { + return v +} diff --git a/vendor/github.com/davecgh/go-spew/spew/common.go b/vendor/github.com/davecgh/go-spew/spew/common.go new file mode 100644 index 000000000..7c519ff47 --- /dev/null +++ b/vendor/github.com/davecgh/go-spew/spew/common.go @@ -0,0 +1,341 @@ +/* + * Copyright (c) 2013-2016 Dave Collins <dave@davec.name> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +package spew + +import ( + "bytes" + "fmt" + "io" + "reflect" + "sort" + "strconv" +) + +// Some constants in the form of bytes to avoid string overhead. This mirrors +// the technique used in the fmt package. +var ( + panicBytes = []byte("(PANIC=") + plusBytes = []byte("+") + iBytes = []byte("i") + trueBytes = []byte("true") + falseBytes = []byte("false") + interfaceBytes = []byte("(interface {})") + commaNewlineBytes = []byte(",\n") + newlineBytes = []byte("\n") + openBraceBytes = []byte("{") + openBraceNewlineBytes = []byte("{\n") + closeBraceBytes = []byte("}") + asteriskBytes = []byte("*") + colonBytes = []byte(":") + colonSpaceBytes = []byte(": ") + openParenBytes = []byte("(") + closeParenBytes = []byte(")") + spaceBytes = []byte(" ") + pointerChainBytes = []byte("->") + nilAngleBytes = []byte("<nil>") + maxNewlineBytes = []byte("<max depth reached>\n") + maxShortBytes = []byte("<max>") + circularBytes = []byte("<already shown>") + circularShortBytes = []byte("<shown>") + invalidAngleBytes = []byte("<invalid>") + openBracketBytes = []byte("[") + closeBracketBytes = []byte("]") + percentBytes = []byte("%") + precisionBytes = []byte(".") + openAngleBytes = []byte("<") + closeAngleBytes = []byte(">") + openMapBytes = []byte("map[") + closeMapBytes = []byte("]") + lenEqualsBytes = []byte("len=") + capEqualsBytes = []byte("cap=") +) + +// hexDigits is used to map a decimal value to a hex digit. +var hexDigits = "0123456789abcdef" + +// catchPanic handles any panics that might occur during the handleMethods +// calls. +func catchPanic(w io.Writer, v reflect.Value) { + if err := recover(); err != nil { + w.Write(panicBytes) + fmt.Fprintf(w, "%v", err) + w.Write(closeParenBytes) + } +} + +// handleMethods attempts to call the Error and String methods on the underlying +// type the passed reflect.Value represents and outputes the result to Writer w. +// +// It handles panics in any called methods by catching and displaying the error +// as the formatted value. +func handleMethods(cs *ConfigState, w io.Writer, v reflect.Value) (handled bool) { + // We need an interface to check if the type implements the error or + // Stringer interface. However, the reflect package won't give us an + // interface on certain things like unexported struct fields in order + // to enforce visibility rules. We use unsafe, when it's available, + // to bypass these restrictions since this package does not mutate the + // values. + if !v.CanInterface() { + if UnsafeDisabled { + return false + } + + v = unsafeReflectValue(v) + } + + // Choose whether or not to do error and Stringer interface lookups against + // the base type or a pointer to the base type depending on settings. + // Technically calling one of these methods with a pointer receiver can + // mutate the value, however, types which choose to satisify an error or + // Stringer interface with a pointer receiver should not be mutating their + // state inside these interface methods. + if !cs.DisablePointerMethods && !UnsafeDisabled && !v.CanAddr() { + v = unsafeReflectValue(v) + } + if v.CanAddr() { + v = v.Addr() + } + + // Is it an error or Stringer? + switch iface := v.Interface().(type) { + case error: + defer catchPanic(w, v) + if cs.ContinueOnMethod { + w.Write(openParenBytes) + w.Write([]byte(iface.Error())) + w.Write(closeParenBytes) + w.Write(spaceBytes) + return false + } + + w.Write([]byte(iface.Error())) + return true + + case fmt.Stringer: + defer catchPanic(w, v) + if cs.ContinueOnMethod { + w.Write(openParenBytes) + w.Write([]byte(iface.String())) + w.Write(closeParenBytes) + w.Write(spaceBytes) + return false + } + w.Write([]byte(iface.String())) + return true + } + return false +} + +// printBool outputs a boolean value as true or false to Writer w. +func printBool(w io.Writer, val bool) { + if val { + w.Write(trueBytes) + } else { + w.Write(falseBytes) + } +} + +// printInt outputs a signed integer value to Writer w. +func printInt(w io.Writer, val int64, base int) { + w.Write([]byte(strconv.FormatInt(val, base))) +} + +// printUint outputs an unsigned integer value to Writer w. +func printUint(w io.Writer, val uint64, base int) { + w.Write([]byte(strconv.FormatUint(val, base))) +} + +// printFloat outputs a floating point value using the specified precision, +// which is expected to be 32 or 64bit, to Writer w. +func printFloat(w io.Writer, val float64, precision int) { + w.Write([]byte(strconv.FormatFloat(val, 'g', -1, precision))) +} + +// printComplex outputs a complex value using the specified float precision +// for the real and imaginary parts to Writer w. +func printComplex(w io.Writer, c complex128, floatPrecision int) { + r := real(c) + w.Write(openParenBytes) + w.Write([]byte(strconv.FormatFloat(r, 'g', -1, floatPrecision))) + i := imag(c) + if i >= 0 { + w.Write(plusBytes) + } + w.Write([]byte(strconv.FormatFloat(i, 'g', -1, floatPrecision))) + w.Write(iBytes) + w.Write(closeParenBytes) +} + +// printHexPtr outputs a uintptr formatted as hexidecimal with a leading '0x' +// prefix to Writer w. +func printHexPtr(w io.Writer, p uintptr) { + // Null pointer. + num := uint64(p) + if num == 0 { + w.Write(nilAngleBytes) + return + } + + // Max uint64 is 16 bytes in hex + 2 bytes for '0x' prefix + buf := make([]byte, 18) + + // It's simpler to construct the hex string right to left. + base := uint64(16) + i := len(buf) - 1 + for num >= base { + buf[i] = hexDigits[num%base] + num /= base + i-- + } + buf[i] = hexDigits[num] + + // Add '0x' prefix. + i-- + buf[i] = 'x' + i-- + buf[i] = '0' + + // Strip unused leading bytes. + buf = buf[i:] + w.Write(buf) +} + +// valuesSorter implements sort.Interface to allow a slice of reflect.Value +// elements to be sorted. +type valuesSorter struct { + values []reflect.Value + strings []string // either nil or same len and values + cs *ConfigState +} + +// newValuesSorter initializes a valuesSorter instance, which holds a set of +// surrogate keys on which the data should be sorted. It uses flags in +// ConfigState to decide if and how to populate those surrogate keys. +func newValuesSorter(values []reflect.Value, cs *ConfigState) sort.Interface { + vs := &valuesSorter{values: values, cs: cs} + if canSortSimply(vs.values[0].Kind()) { + return vs + } + if !cs.DisableMethods { + vs.strings = make([]string, len(values)) + for i := range vs.values { + b := bytes.Buffer{} + if !handleMethods(cs, &b, vs.values[i]) { + vs.strings = nil + break + } + vs.strings[i] = b.String() + } + } + if vs.strings == nil && cs.SpewKeys { + vs.strings = make([]string, len(values)) + for i := range vs.values { + vs.strings[i] = Sprintf("%#v", vs.values[i].Interface()) + } + } + return vs +} + +// canSortSimply tests whether a reflect.Kind is a primitive that can be sorted +// directly, or whether it should be considered for sorting by surrogate keys +// (if the ConfigState allows it). +func canSortSimply(kind reflect.Kind) bool { + // This switch parallels valueSortLess, except for the default case. + switch kind { + case reflect.Bool: + return true + case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int: + return true + case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint: + return true + case reflect.Float32, reflect.Float64: + return true + case reflect.String: + return true + case reflect.Uintptr: + return true + case reflect.Array: + return true + } + return false +} + +// Len returns the number of values in the slice. It is part of the +// sort.Interface implementation. +func (s *valuesSorter) Len() int { + return len(s.values) +} + +// Swap swaps the values at the passed indices. It is part of the +// sort.Interface implementation. +func (s *valuesSorter) Swap(i, j int) { + s.values[i], s.values[j] = s.values[j], s.values[i] + if s.strings != nil { + s.strings[i], s.strings[j] = s.strings[j], s.strings[i] + } +} + +// valueSortLess returns whether the first value should sort before the second +// value. It is used by valueSorter.Less as part of the sort.Interface +// implementation. +func valueSortLess(a, b reflect.Value) bool { + switch a.Kind() { + case reflect.Bool: + return !a.Bool() && b.Bool() + case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int: + return a.Int() < b.Int() + case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint: + return a.Uint() < b.Uint() + case reflect.Float32, reflect.Float64: + return a.Float() < b.Float() + case reflect.String: + return a.String() < b.String() + case reflect.Uintptr: + return a.Uint() < b.Uint() + case reflect.Array: + // Compare the contents of both arrays. + l := a.Len() + for i := 0; i < l; i++ { + av := a.Index(i) + bv := b.Index(i) + if av.Interface() == bv.Interface() { + continue + } + return valueSortLess(av, bv) + } + } + return a.String() < b.String() +} + +// Less returns whether the value at index i should sort before the +// value at index j. It is part of the sort.Interface implementation. +func (s *valuesSorter) Less(i, j int) bool { + if s.strings == nil { + return valueSortLess(s.values[i], s.values[j]) + } + return s.strings[i] < s.strings[j] +} + +// sortValues is a sort function that handles both native types and any type that +// can be converted to error or Stringer. Other inputs are sorted according to +// their Value.String() value to ensure display stability. +func sortValues(values []reflect.Value, cs *ConfigState) { + if len(values) == 0 { + return + } + sort.Sort(newValuesSorter(values, cs)) +} diff --git a/vendor/github.com/davecgh/go-spew/spew/config.go b/vendor/github.com/davecgh/go-spew/spew/config.go new file mode 100644 index 000000000..2e3d22f31 --- /dev/null +++ b/vendor/github.com/davecgh/go-spew/spew/config.go @@ -0,0 +1,306 @@ +/* + * Copyright (c) 2013-2016 Dave Collins <dave@davec.name> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +package spew + +import ( + "bytes" + "fmt" + "io" + "os" +) + +// ConfigState houses the configuration options used by spew to format and +// display values. There is a global instance, Config, that is used to control +// all top-level Formatter and Dump functionality. Each ConfigState instance +// provides methods equivalent to the top-level functions. +// +// The zero value for ConfigState provides no indentation. You would typically +// want to set it to a space or a tab. +// +// Alternatively, you can use NewDefaultConfig to get a ConfigState instance +// with default settings. See the documentation of NewDefaultConfig for default +// values. +type ConfigState struct { + // Indent specifies the string to use for each indentation level. The + // global config instance that all top-level functions use set this to a + // single space by default. If you would like more indentation, you might + // set this to a tab with "\t" or perhaps two spaces with " ". + Indent string + + // MaxDepth controls the maximum number of levels to descend into nested + // data structures. The default, 0, means there is no limit. + // + // NOTE: Circular data structures are properly detected, so it is not + // necessary to set this value unless you specifically want to limit deeply + // nested data structures. + MaxDepth int + + // DisableMethods specifies whether or not error and Stringer interfaces are + // invoked for types that implement them. + DisableMethods bool + + // DisablePointerMethods specifies whether or not to check for and invoke + // error and Stringer interfaces on types which only accept a pointer + // receiver when the current type is not a pointer. + // + // NOTE: This might be an unsafe action since calling one of these methods + // with a pointer receiver could technically mutate the value, however, + // in practice, types which choose to satisify an error or Stringer + // interface with a pointer receiver should not be mutating their state + // inside these interface methods. As a result, this option relies on + // access to the unsafe package, so it will not have any effect when + // running in environments without access to the unsafe package such as + // Google App Engine or with the "safe" build tag specified. + DisablePointerMethods bool + + // DisablePointerAddresses specifies whether to disable the printing of + // pointer addresses. This is useful when diffing data structures in tests. + DisablePointerAddresses bool + + // DisableCapacities specifies whether to disable the printing of capacities + // for arrays, slices, maps and channels. This is useful when diffing + // data structures in tests. + DisableCapacities bool + + // ContinueOnMethod specifies whether or not recursion should continue once + // a custom error or Stringer interface is invoked. The default, false, + // means it will print the results of invoking the custom error or Stringer + // interface and return immediately instead of continuing to recurse into + // the internals of the data type. + // + // NOTE: This flag does not have any effect if method invocation is disabled + // via the DisableMethods or DisablePointerMethods options. + ContinueOnMethod bool + + // SortKeys specifies map keys should be sorted before being printed. Use + // this to have a more deterministic, diffable output. Note that only + // native types (bool, int, uint, floats, uintptr and string) and types + // that support the error or Stringer interfaces (if methods are + // enabled) are supported, with other types sorted according to the + // reflect.Value.String() output which guarantees display stability. + SortKeys bool + + // SpewKeys specifies that, as a last resort attempt, map keys should + // be spewed to strings and sorted by those strings. This is only + // considered if SortKeys is true. + SpewKeys bool +} + +// Config is the active configuration of the top-level functions. +// The configuration can be changed by modifying the contents of spew.Config. +var Config = ConfigState{Indent: " "} + +// Errorf is a wrapper for fmt.Errorf that treats each argument as if it were +// passed with a Formatter interface returned by c.NewFormatter. It returns +// the formatted string as a value that satisfies error. See NewFormatter +// for formatting details. +// +// This function is shorthand for the following syntax: +// +// fmt.Errorf(format, c.NewFormatter(a), c.NewFormatter(b)) +func (c *ConfigState) Errorf(format string, a ...interface{}) (err error) { + return fmt.Errorf(format, c.convertArgs(a)...) +} + +// Fprint is a wrapper for fmt.Fprint that treats each argument as if it were +// passed with a Formatter interface returned by c.NewFormatter. It returns +// the number of bytes written and any write error encountered. See +// NewFormatter for formatting details. +// +// This function is shorthand for the following syntax: +// +// fmt.Fprint(w, c.NewFormatter(a), c.NewFormatter(b)) +func (c *ConfigState) Fprint(w io.Writer, a ...interface{}) (n int, err error) { + return fmt.Fprint(w, c.convertArgs(a)...) +} + +// Fprintf is a wrapper for fmt.Fprintf that treats each argument as if it were +// passed with a Formatter interface returned by c.NewFormatter. It returns +// the number of bytes written and any write error encountered. See +// NewFormatter for formatting details. +// +// This function is shorthand for the following syntax: +// +// fmt.Fprintf(w, format, c.NewFormatter(a), c.NewFormatter(b)) +func (c *ConfigState) Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) { + return fmt.Fprintf(w, format, c.convertArgs(a)...) +} + +// Fprintln is a wrapper for fmt.Fprintln that treats each argument as if it +// passed with a Formatter interface returned by c.NewFormatter. See +// NewFormatter for formatting details. +// +// This function is shorthand for the following syntax: +// +// fmt.Fprintln(w, c.NewFormatter(a), c.NewFormatter(b)) +func (c *ConfigState) Fprintln(w io.Writer, a ...interface{}) (n int, err error) { + return fmt.Fprintln(w, c.convertArgs(a)...) +} + +// Print is a wrapper for fmt.Print that treats each argument as if it were +// passed with a Formatter interface returned by c.NewFormatter. It returns +// the number of bytes written and any write error encountered. See +// NewFormatter for formatting details. +// +// This function is shorthand for the following syntax: +// +// fmt.Print(c.NewFormatter(a), c.NewFormatter(b)) +func (c *ConfigState) Print(a ...interface{}) (n int, err error) { + return fmt.Print(c.convertArgs(a)...) +} + +// Printf is a wrapper for fmt.Printf that treats each argument as if it were +// passed with a Formatter interface returned by c.NewFormatter. It returns +// the number of bytes written and any write error encountered. See +// NewFormatter for formatting details. +// +// This function is shorthand for the following syntax: +// +// fmt.Printf(format, c.NewFormatter(a), c.NewFormatter(b)) +func (c *ConfigState) Printf(format string, a ...interface{}) (n int, err error) { + return fmt.Printf(format, c.convertArgs(a)...) +} + +// Println is a wrapper for fmt.Println that treats each argument as if it were +// passed with a Formatter interface returned by c.NewFormatter. It returns +// the number of bytes written and any write error encountered. See +// NewFormatter for formatting details. +// +// This function is shorthand for the following syntax: +// +// fmt.Println(c.NewFormatter(a), c.NewFormatter(b)) +func (c *ConfigState) Println(a ...interface{}) (n int, err error) { + return fmt.Println(c.convertArgs(a)...) +} + +// Sprint is a wrapper for fmt.Sprint that treats each argument as if it were +// passed with a Formatter interface returned by c.NewFormatter. It returns +// the resulting string. See NewFormatter for formatting details. +// +// This function is shorthand for the following syntax: +// +// fmt.Sprint(c.NewFormatter(a), c.NewFormatter(b)) +func (c *ConfigState) Sprint(a ...interface{}) string { + return fmt.Sprint(c.convertArgs(a)...) +} + +// Sprintf is a wrapper for fmt.Sprintf that treats each argument as if it were +// passed with a Formatter interface returned by c.NewFormatter. It returns +// the resulting string. See NewFormatter for formatting details. +// +// This function is shorthand for the following syntax: +// +// fmt.Sprintf(format, c.NewFormatter(a), c.NewFormatter(b)) +func (c *ConfigState) Sprintf(format string, a ...interface{}) string { + return fmt.Sprin |