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| author | Jorge Aparicio <japaricious@gmail.com> | 2015-01-28 12:43:16 -0500 |
|---|---|---|
| committer | Jorge Aparicio <japaricious@gmail.com> | 2015-01-29 07:49:02 -0500 |
| commit | a6f9180fd61f509ebc6d666eda3f6bb42dd02573 (patch) | |
| tree | 5e848819ef6992b8f7f79ebc2275cea6caef57ef /src/libsyntax/ext | |
| parent | 4b75931ce24f2c7ccf6486e434c24c6df595f4bc (diff) | |
| download | rust-a6f9180fd61f509ebc6d666eda3f6bb42dd02573.tar.gz rust-a6f9180fd61f509ebc6d666eda3f6bb42dd02573.zip | |
bring back `#[derive(Show)]` with a deprecation warning
Diffstat (limited to 'src/libsyntax/ext')
| -rw-r--r-- | src/libsyntax/ext/deriving/mod.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/libsyntax/ext/deriving/mod.rs b/src/libsyntax/ext/deriving/mod.rs index 2b7a44c1727..d3d7fee3a18 100644 --- a/src/libsyntax/ext/deriving/mod.rs +++ b/src/libsyntax/ext/deriving/mod.rs @@ -107,6 +107,14 @@ pub fn expand_meta_derive(cx: &mut ExtCtxt, "Rand" => expand!(rand::expand_deriving_rand), + "Show" => { + cx.span_warn(titem.span, + "derive(Show) is deprecated \ + in favor of derive(Debug)"); + + expand!(show::expand_deriving_show) + }, + "Debug" => expand!(show::expand_deriving_show), "Default" => expand!(default::expand_deriving_default), |