Add terminal output

Signed-off-by: Marcel Müller <neikos@neikos.email>

7 files changed, 526 insertions, 7 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 91fd869..91bc832 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -43,6 +43,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "arrayvec"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
+
+[[package]]
 name = "autocfg"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -155,6 +161,107 @@ dependencies = [
 ]
 
 [[package]]
+name = "coolor"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af4d7a805ca0d92f8c61a31c809d4323fdaa939b0b440e544d21db7797c5aaad"
+dependencies = [
+ "crossterm",
+]
+
+[[package]]
+name = "crossbeam"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2801af0d36612ae591caa9568261fddce32ce6e08a7275ea334a06a4ad021a2c"
+dependencies = [
+ "cfg-if",
+ "crossbeam-channel",
+ "crossbeam-deque",
+ "crossbeam-epoch",
+ "crossbeam-queue",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-channel"
+version = "0.5.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a33c2bf77f2df06183c3aa30d1e96c0695a313d4f9c453cc3762a6db39f99200"
+dependencies = [
+ "cfg-if",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-deque"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce6fd6f855243022dcecf8702fef0c297d4338e226845fe067f6341ad9fa0cef"
+dependencies = [
+ "cfg-if",
+ "crossbeam-epoch",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.9.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46bd5f3f85273295a9d14aedfb86f6aadbff6d8f5295c4a9edb08e819dcf5695"
+dependencies = [
+ "autocfg",
+ "cfg-if",
+ "crossbeam-utils",
+ "memoffset",
+ "scopeguard",
+]
+
+[[package]]
+name = "crossbeam-queue"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d1cfb3ea8a53f37c40dea2c7bedcbd88bdfae54f5e2175d6ecaff1c988353add"
+dependencies = [
+ "cfg-if",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c063cd8cc95f5c377ed0d4b49a4b21f632396ff690e8470c29b3359b346984b"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "crossterm"
+version = "0.23.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2102ea4f781910f8a5b98dd061f4c2023f479ce7bb1236330099ceb5a93cf17"
+dependencies = [
+ "bitflags",
+ "crossterm_winapi",
+ "libc",
+ "mio",
+ "parking_lot",
+ "signal-hook",
+ "signal-hook-mio",
+ "winapi",
+]
+
+[[package]]
+name = "crossterm_winapi"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ae1b35a484aa10e07fe0638d02301c5ad24de82d310ccbd2f3693da5f09bf1c"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
 name = "errno"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -278,6 +385,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d59d8c75012853d2e872fb56bc8a2e53718e2cafe1a4c823143141c6d90c322f"
 
 [[package]]
+name = "lock_api"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "435011366fe56583b16cf956f9df0095b405b82d76425bc8981c0e22e60ec4df"
+dependencies = [
+ "autocfg",
+ "scopeguard",
+]
+
+[[package]]
 name = "log"
 version = "0.4.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -296,10 +413,49 @@ dependencies = [
 ]
 
 [[package]]
+name = "memoffset"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "minimad"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38b136454924e4d020e55c4992e07c105b40d5c41b84662862f0e15bc0a2efef"
+dependencies = [
+ "once_cell",
+]
+
+[[package]]
+name = "mio"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b9d9a46eff5b4ff64b45a9e316a6d1e0bc719ef429cbec4dc630684212bfdf9"
+dependencies = [
+ "libc",
+ "log",
+ "wasi",
+ "windows-sys 0.45.0",
+]
+
+[[package]]
+name = "nu-ansi-term"
+version = "0.47.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1df031e117bca634c262e9bd3173776844b6c17a90b3741c9163663b4385af76"
+dependencies = [
+ "windows-sys 0.45.0",
+]
+
+[[package]]
 name = "once_cell"
-version = "1.13.0"
+version = "1.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18a6dbe30758c9f83eb00cbea4ac95966305f5a7772f3f42ebfc7fc7eddbd8e1"
+checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
 
 [[package]]
 name = "online_description_generator"
@@ -315,12 +471,46 @@ dependencies = [
 ]
 
 [[package]]
+name = "parking_lot"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
+dependencies = [
+ "lock_api",
+ "parking_lot_core",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.9.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9069cbb9f99e3a5083476ccb29ceb1de18b9118cafa53e90c9551235de2b9521"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "windows-sys 0.45.0",
+]
+
+[[package]]
 name = "percent-encoding"
 version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"
 
 [[package]]
+name = "pretty"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9e6db26707236c991e87e751cb259ac03a3930ee4f79af75977a148811c89c0"
+dependencies = [
+ "arrayvec",
+ "typed-arena",
+ "unicode-segmentation",
+]
+
+[[package]]
 name = "proc-macro-error"
 version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -363,6 +553,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "redox_syscall"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
+dependencies = [
+ "bitflags",
+]
+
+[[package]]
 name = "rustix"
 version = "0.37.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -383,6 +582,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f3f6f92acf49d1b98f7a81226834412ada05458b7364277387724a237f062695"
 
 [[package]]
+name = "scopeguard"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
+
+[[package]]
 name = "serde"
 version = "1.0.159"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -414,6 +619,42 @@ dependencies = [
 ]
 
 [[package]]
+name = "signal-hook"
+version = "0.3.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "732768f1176d21d09e076c23a93123d40bba92d50c4058da34d45c8de8e682b9"
+dependencies = [
+ "libc",
+ "signal-hook-registry",
+]
+
+[[package]]
+name = "signal-hook-mio"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29ad2e15f37ec9a6cc544097b78a1ec90001e9f71b81338ca39f430adaca99af"
+dependencies = [
+ "libc",
+ "mio",
+ "signal-hook",
+]
+
+[[package]]
+name = "signal-hook-registry"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8229b473baa5980ac72ef434c4415e70c4b5e71b423043adb4ba059f89c99a1"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "smallvec"
+version = "1.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
+
+[[package]]
 name = "strsim"
 version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -442,6 +683,16 @@ dependencies = [
 ]
 
 [[package]]
+name = "term_size"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e4129646ca0ed8f45d09b929036bafad5377103edd06e50bf574b353d2b08d9"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
+[[package]]
 name = "termcolor"
 version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -451,6 +702,40 @@ dependencies = [
 ]
 
 [[package]]
+name = "termimad"
+version = "0.23.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "749b18b17745261a883ab334d931adffc8c5e07e71c73a861e77124557e7b41f"
+dependencies = [
+ "coolor",
+ "crossbeam",
+ "crossterm",
+ "minimad",
+ "thiserror",
+ "unicode-width",
+]
+
+[[package]]
+name = "thiserror"
+version = "1.0.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "978c9a314bd8dc99be594bc3c175faaa9794be04a5a5e153caba6915336cebac"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.10",
+]
+
+[[package]]
 name = "tinyvec"
 version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -486,8 +771,12 @@ version = "0.3.0"
 dependencies = [
  "clap",
  "indexmap",
+ "nu-ansi-term",
+ "pretty",
  "serde",
  "serde_json",
+ "term_size",
+ "termimad",
  "trybuild",
  "type_description_derive",
  "url",
@@ -504,6 +793,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "typed-arena"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6af6ae20167a9ece4bcb41af5b80f8a1f1df981f6391189ce00fd257af04126a"
+
+[[package]]
 name = "unicode-bidi"
 version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -531,6 +826,18 @@ dependencies = [
 ]
 
 [[package]]
+name = "unicode-segmentation"
+version = "1.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1dd624098567895118886609431a7c3b8f516e41d30e0643f03d94592a147e36"
+
+[[package]]
+name = "unicode-width"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b"
+
+[[package]]
 name = "url"
 version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -554,6 +861,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
+[[package]]
 name = "wasm-bindgen"
 version = "0.2.84"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/Cargo.toml b/Cargo.toml
index d08a695..2cce6b6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,16 +18,22 @@ name = "describe_types"
 required-features = ["bin"]
 
 [features]
-default = ["render"]
-render = ["indexmap"]
-bin = ["clap", "serde_json"]
+default = []
+render = ["render_markdown", "render_terminal"]
+render_markdown = ["indexmap"]
+render_terminal = ["termimad", "pretty", "nu-ansi-term"]
+bin = ["render", "clap", "serde_json", "term_size"]
 url = ["dep:url"]
 
 [dependencies]
 clap = { version = "4.2.1", features = ["derive"], optional = true }
 indexmap = { version = "1.9.3", optional = true }
+nu-ansi-term = { version = "0.47.0", optional = true }
+pretty = { version = "0.12.0", optional = true }
 serde = { version = "1.0.159", features = ["derive"] }
 serde_json = { version = "1.0.95", optional = true }
+term_size = { version = "0.3.2", optional = true }
+termimad = { version = "0.23.0", optional = true }
 type_description_derive = { version = "0.3.0", path = "type_description_derive" }
 
 url = { version = "2", optional = true }
diff --git a/src/bin/describe_types.rs b/src/bin/describe_types.rs
index 8d0e86b..ef24738 100644
--- a/src/bin/describe_types.rs
+++ b/src/bin/describe_types.rs
@@ -7,17 +7,19 @@
 use std::{error::Error, fmt::Display};
 
 use clap::{Parser, ValueEnum};
-use type_description::{render::render_to_markdown, TypeDescription};
+use type_description::{render::render_to_markdown, render::render_to_terminal, TypeDescription};
 
 #[derive(Debug, ValueEnum, PartialEq, Clone, Copy)]
 enum OutputFormat {
     Markdown,
+    Terminal,
 }
 
 impl Display for OutputFormat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
             OutputFormat::Markdown => write!(f, "markdown"),
+            OutputFormat::Terminal => write!(f, "terminal"),
         }
     }
 }
@@ -25,7 +27,7 @@ impl Display for OutputFormat {
 #[derive(Parser, Debug)]
 #[clap(author, version, about)]
 struct Args {
-    #[clap(short, long, value_parser, default_value_t = OutputFormat::Markdown)]
+    #[clap(short, long, value_parser)]
     output_format: OutputFormat,
 }
 
@@ -38,6 +40,16 @@ fn main() -> Result<(), Box<dyn Error>> {
         OutputFormat::Markdown => {
             println!("{}", render_to_markdown(&input)?);
         }
+        OutputFormat::Terminal => {
+            let terminal_width = term_size::dimensions().map(|(w, _)| w).unwrap_or(80);
+            let arena = pretty::Arena::new();
+
+            let rendered_doc = render_to_terminal(&input, &arena);
+
+            let mut output = String::new();
+            rendered_doc.render_fmt(terminal_width, &mut output)?;
+            println!("{}", output);
+        }
     }
 
     Ok(())
diff --git a/src/render.rs b/src/render/markdown.rs
index 9c67cb2..9c67cb2 100644
--- a/src/render.rs
+++ b/src/render/markdown.rs
diff --git a/src/render/mod.rs b/src/render/mod.rs
new file mode 100644
index 0000000..8d29f42
--- /dev/null
+++ b/src/render/mod.rs
@@ -0,0 +1,9 @@
+#[cfg(feature = "render_markdown")]
+mod markdown;
+#[cfg(feature = "render_markdown")]
+pub use markdown::*;
+
+#[cfg(feature = "render_terminal")]
+mod terminal;
+#[cfg(feature = "render_terminal")]
+pub use terminal::*;
diff --git a/src/render/terminal.rs b/src/render/terminal.rs
new file mode 100644
index 0000000..98c65cc
--- /dev/null
+++ b/src/render/terminal.rs
@@ -0,0 +1,176 @@
+use nu_ansi_term::Color;
+use pretty::Arena;
+use pretty::Doc;
+use pretty::DocAllocator;
+use pretty::Pretty;
+use pretty::RefDoc;
+use termimad::MadSkin;
+
+use crate::EnumVariantRepresentation;
+use crate::TypeDescription;
+use crate::TypeEnumKind;
+use crate::TypeKind;
+
+/// Get a [`RefDoc`](pretty::RefDoc) which can be used to write the documentation of this
+pub fn render_to_terminal<'a>(desc: &'a TypeDescription, arena: &'a Arena<'a>) -> RefDoc<'a> {
+    let mut doc = arena.nil();
+
+    if !matches!(desc.kind(), TypeKind::Wrapped(_)) && desc.doc().is_none() {
+        doc = doc
+            .append(Color::LightBlue.bold().paint(desc.name()).to_string())
+            .append(arena.space())
+            .append(match desc.kind() {
+                TypeKind::Bool
+                | TypeKind::Integer { .. }
+                | TypeKind::Float { .. }
+                | TypeKind::String
+                | TypeKind::Wrapped(_)
+                | TypeKind::Array(_)
+                | TypeKind::HashMap { .. } => arena.nil(),
+                TypeKind::Struct(_) => {
+                    arena.text(Color::Blue.dimmed().paint("[Table]").to_string())
+                }
+                TypeKind::Enum(_, _) => {
+                    arena.text(Color::Green.dimmed().paint("[Enum]").to_string())
+                }
+            })
+            .append(arena.hardline());
+    }
+
+    let skin = MadSkin::default_dark();
+    let render_markdown = |text: &str| {
+        let rendered = skin.text(text, None).to_string();
+        arena.intersperse(
+            rendered.split('\n').map(|t| {
+                arena.intersperse(
+                    t.split(char::is_whitespace).map(|t| t.to_string()),
+                    arena.softline(),
+                )
+            }),
+            arena.hardline(),
+        )
+    };
+
+    if let Some(conf_doc) = desc.doc() {
+        doc = doc.append(render_markdown(conf_doc));
+    }
+
+    match desc.kind() {
+        TypeKind::Bool | TypeKind::Integer { .. } | TypeKind::Float { .. } | TypeKind::String => (),
+        TypeKind::Struct(stc) => {
+            doc = doc
+                .append(arena.hardline())
+                .append(Color::Blue.paint("[Members]").to_string())
+                .append(arena.hardline())
+                .append(arena.intersperse(
+                    stc.iter().map(|ev| {
+                        let member_name = ev.name();
+                        let member_doc = ev.doc();
+                        let member_conf = ev.kind();
+                        let mut doc = arena.nil();
+
+                        if let Some(member_doc) = member_doc {
+                            doc = doc.append(render_markdown(member_doc));
+                        }
+                        doc.append(arena.text(Color::Blue.bold().paint(member_name).to_string()))
+                            .append(": ")
+                            .append(
+                                Pretty::pretty(render_to_terminal(member_conf, arena), arena)
+                                    .nest(4),
+                            )
+                    }),
+                    Doc::hardline(),
+                ))
+        }
+        TypeKind::Enum(enum_kind, variants) => {
+            doc = doc
+                .append(arena.hardline())
+                .append(Color::Green.paint("One of:").to_string())
+                .append(arena.space())
+                .append(match enum_kind {
+                    TypeEnumKind::Tagged(tag) => arena.text(
+                        Color::White
+                            .dimmed()
+                            .paint(format!(
+                                "[Tagged with {}]",
+                                Color::LightGreen
+                                    .italic()
+                                    .dimmed()
+                                    .paint(format!("'{}'", tag))
+                            ))
+                            .to_string(),
+                    ),
+                    TypeEnumKind::Untagged => {
+                        arena.text(Color::White.dimmed().paint("[Untagged]").to_string())
+                    }
+                })
+                .append(arena.hardline())
+                .append(arena.intersperse(
+                    variants.iter().map(|ev| {
+                        let member_name = ev.name();
+                        let member_doc = ev.doc();
+                        let member_conf = ev.repr();
+                        arena.text("-").append(arena.space()).append({
+                            let mut doc = arena
+                                .nil()
+                                .append(match member_conf {
+                                    EnumVariantRepresentation::String(rep) => arena.text(
+                                        Color::Green
+                                            .bold()
+                                            .paint(&format!("{:?}", rep.to_lowercase()))
+                                            .to_string(),
+                                    ),
+                                    EnumVariantRepresentation::Wrapped(_) => arena
+                                        .text(Color::Green.bold().paint(member_name).to_string()),
+                                })
+                                .append(": ");
+
+                            if let Some(member_doc) = member_doc {
+                                doc = doc.append(render_markdown(member_doc));
+                            }
+
+                            doc.append(
+                                Pretty::pretty(
+                                    match member_conf {
+                                        EnumVariantRepresentation::String(_) => {
+                                            arena.nil().into_doc()
+                                        }
+
+                                        EnumVariantRepresentation::Wrapped(member_conf) => arena
+                                            .text(Color::LightRed.paint("Is a: ").to_string())
+                                            .append(render_to_terminal(member_conf, arena))
+                                            .into_doc(),
+                                    },
+                                    arena,
+                                )
+                                .nest(4),
+                            )
+                            .nest(2)
+                        })
+                    }),
+                    Doc::hardline(),
+                ));
+        }
+        TypeKind::Array(conf) => {
+            doc = doc
+                .append(Color::LightRed.paint("Many of:").to_string())
+                .append(arena.space())
+                .append(render_to_terminal(conf, arena));
+        }
+        TypeKind::HashMap { key, value } => {
+            doc = doc
+                .append(Color::LightRed.paint("Hashmap of").to_string())
+                .append(arena.space())
+                .append(key.name())
+                .append(arena.space())
+                .append(Color::LightRed.paint("to").to_string())
+                .append(arena.space())
+                .append(value.name());
+        }
+        TypeKind::Wrapped(conf) => {
+            doc = doc.append(render_to_terminal(conf, arena));
+        }
+    };
+
+    doc.into_doc()
+}
diff --git a/tests/complex_derive.rs b/tests/complex_derive.rs
index 3f617ce..12ff27a 100644
--- a/tests/complex_derive.rs
+++ b/tests/complex_derive.rs
@@ -4,6 +4,8 @@
 //   file, You can obtain one at http://mozilla.org/MPL/2.0/.
 //
 
+use std::collections::HashMap;
+
 use type_description::{AsTypeDescription, TypeDescription};
 
 /// How to configure a kubernetes cluster
@@ -25,6 +27,7 @@ pub struct KubeConfig {
     pub current_context: String,
     pub kind: String,
     pub users: Vec<User>,
+    pub values: HashMap<String, bool>,
 }
 
 #[derive(Debug, TypeDescription)]