1 files changed, 0 insertions, 63 deletions
diff --git a/rfc2822/src/trace.rs b/rfc2822/src/trace.rs
deleted file mode 100644
index c93e1e04..00000000
--- a/rfc2822/src/trace.rs
+++ /dev/null
@@ -1,63 +0,0 @@
-use std::cmp;
-
-macro_rules! trace {
-    ( $TRACE:expr, $fmt:expr, $($pargs:expr),* ) => {
-        if $TRACE {
-            eprintln!($fmt, $($pargs),*);
-        }
-    };
-    ( $TRACE:expr, $fmt:expr ) => {
-        trace!($TRACE, $fmt, );
-    };
-}
-
-// Converts an indentation level to whitespace.
-pub(crate) fn indent(i: usize) -> &'static str {
-    let s = "                                                  ";
-    &s[0..cmp::min(i, s.len())]
-}
-
-// A very simply tracer.
-//
-// ```text
-// tracer!(enable_predicate, "function_name");
-// t!("(arg1: {:?}, arg2: {:?})", arg1, arg2);
-// ...
-// t!("=> {:?}", return_value);
-// ```
-macro_rules! tracer {
-    ( $TRACE:expr, $func:expr ) => {
-        tracer!($TRACE, $func, 0)
-    };
-    ( $TRACE:expr, $func:expr, $indent:expr ) => {
-        // Currently, Rust doesn't support $( ... ) in a nested
-        // macro's definition.  See:
-        // https://users.rust-lang.org/t/nested-macros-issue/8348/2
-        macro_rules! t {
-            ( $fmt:expr ) =>
-            { trace!($TRACE, "{}{}: {}", crate::trace::indent($indent as usize), $func, $fmt) };
-            ( $fmt:expr, $a:expr ) =>
-            { trace!($TRACE, "{}{}: {}", crate::trace::indent($indent as usize), $func, format!($fmt, $a)) };
-            ( $fmt:expr, $a:expr, $b:expr ) =>
-            { trace!($TRACE, "{}{}: {}", crate::trace::indent($indent as usize), $func, format!($fmt, $a, $b)) };
-            ( $fmt:expr, $a:expr, $b:expr, $c:expr ) =>
-            { trace!($TRACE, "{}{}: {}", crate::trace::indent($indent as usize), $func, format!($fmt, $a, $b, $c)) };
-            ( $fmt:expr, $a:expr, $b:expr, $c:expr, $d:expr ) =>
-            { trace!($TRACE, "{}{}: {}", crate::trace::indent($indent as usize), $func, format!($fmt, $a, $b, $c, $d)) };
-            ( $fmt:expr, $a:expr, $b:expr, $c:expr, $d:expr, $e:expr ) =>
-            { trace!($TRACE, "{}{}: {}", crate::trace::indent($indent as usize), $func, format!($fmt, $a, $b, $c, $d, $e)) };
-            ( $fmt:expr, $a:expr, $b:expr, $c:expr, $d:expr, $e:expr, $f:expr ) =>
-            { trace!($TRACE, "{}{}: {}", crate::trace::indent($indent as usize), $func, format!($fmt, $a, $b, $c, $d, $e, $f)) };
-            ( $fmt:expr, $a:expr, $b:expr, $c:expr, $d:expr, $e:expr, $f:expr, $g:expr ) =>
-            { trace!($TRACE, "{}{}: {}", crate::trace::indent($indent as usize), $func, format!($fmt, $a, $b, $c, $d, $e, $f, $g)) };
-            ( $fmt:expr, $a:expr, $b:expr, $c:expr, $d:expr, $e:expr, $f:expr, $g:expr, $h:expr ) =>
-            { trace!($TRACE, "{}{}: {}", crate::trace::indent($indent as usize), $func, format!($fmt, $a, $b, $c, $d, $e, $f, $g, $h)) };
-            ( $fmt:expr, $a:expr, $b:expr, $c:expr, $d:expr, $e:expr, $f:expr, $g:expr, $h:expr, $i:expr ) =>
-            { trace!($TRACE, "{}{}: {}", crate::trace::indent($indent as usize), $func, format!($fmt, $a, $b, $c, $d, $e, $f, $g, $h, $i)) };
-            ( $fmt:expr, $a:expr, $b:expr, $c:expr, $d:expr, $e:expr, $f:expr, $g:expr, $h:expr, $i:expr, $j:expr ) =>
-            { trace!($TRACE, "{}{}: {}", crate::trace::indent($indent as usize), $func, format!($fmt, $a, $b, $c, $d, $e, $f, $g, $h, $i, $j)) };
-            ( $fmt:expr, $a:expr, $b:expr, $c:expr, $d:expr, $e:expr, $f:expr, $g:expr, $h:expr, $i:expr, $j:expr, $k:expr ) =>
-            { trace!($TRACE, "{}{}: {}", crate::trace::indent($indent as usize), $func, format!($fmt, $a, $b, $c, $d, $e, $f, $g, $h, $i, $j, $k)) };
-        }
-    };
-}