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authorMaybe Waffle <waffle.lapkin@gmail.com>2022-12-06 13:22:36 +0000
committerMaybe Waffle <waffle.lapkin@gmail.com>2022-12-06 14:45:58 +0000
commit700c095306ce89b0b18e2487aae9c0721e60a5e3 (patch)
tree50e8a78e271c55895f1875234640d0bce83591f3 /compiler/rustc_builtin_macros/src/env.rs
parent244990a6e91843289e094b384d67294756891fe9 (diff)
downloadrust-700c095306ce89b0b18e2487aae9c0721e60a5e3.tar.gz
rust-700c095306ce89b0b18e2487aae9c0721e60a5e3.zip
`rustc_builtin_macros`: remove `ref` patterns
... and other pattern matching improvements
Diffstat (limited to 'compiler/rustc_builtin_macros/src/env.rs')
-rw-r--r--compiler/rustc_builtin_macros/src/env.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_builtin_macros/src/env.rs b/compiler/rustc_builtin_macros/src/env.rs
index b8828fa671a..0b4e545f7a3 100644
--- a/compiler/rustc_builtin_macros/src/env.rs
+++ b/compiler/rustc_builtin_macros/src/env.rs
@@ -53,7 +53,7 @@ pub fn expand_env<'cx>(
     tts: TokenStream,
 ) -> Box<dyn base::MacResult + 'cx> {
     let mut exprs = match get_exprs_from_tts(cx, sp, tts) {
-        Some(ref exprs) if exprs.is_empty() => {
+        Some(exprs) if exprs.is_empty() => {
             cx.span_err(sp, "env! takes 1 or 2 arguments");
             return DummyResult::any(sp);
         }