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| author | Shotaro Yamada <sinkuu@sinkuu.xyz> | 2018-10-26 03:11:11 +0900 |
|---|---|---|
| committer | Pietro Albini <pietro@pietroalbini.org> | 2018-10-29 15:09:36 +0100 |
| commit | ff0605af9ca2a2cbf2d7f17d4a0f4210d6f470e9 (patch) | |
| tree | bbb3d2d28c459c88217895ec28c28c6ec1f8c211 /src/libsyntax/ext | |
| parent | 481bd1626769e95181852e7bc430e4ca4714050d (diff) | |
Remove redundant clone
Diffstat (limited to 'src/libsyntax/ext')
| -rw-r--r-- | src/libsyntax/ext/tt/macro_rules.rs | 3 | ||||
| -rw-r--r-- | src/libsyntax/ext/tt/transcribe.rs | 4 |
2 files changed, 3 insertions, 4 deletions
diff --git a/src/libsyntax/ext/tt/macro_rules.rs b/src/libsyntax/ext/tt/macro_rules.rs index 805aa9bef22..36190b3273a 100644 --- a/src/libsyntax/ext/tt/macro_rules.rs +++ b/src/libsyntax/ext/tt/macro_rules.rs @@ -133,8 +133,7 @@ fn generic_extension<'cx>(cx: &'cx mut ExtCtxt, // Replace all the tokens for the corresponding positions in the macro, to maintain // proper positions in error reporting, while maintaining the macro_backtrace. if rhs_spans.len() == tts.len() { - tts = tts.map_enumerated(|i, tt| { - let mut tt = tt.clone(); + tts = tts.map_enumerated(|i, mut tt| { let mut sp = rhs_spans[i]; sp = sp.with_ctxt(tt.span().ctxt()); tt.set_span(sp); diff --git a/src/libsyntax/ext/tt/transcribe.rs b/src/libsyntax/ext/tt/transcribe.rs index ae486158fee..3d897d17e0b 100644 --- a/src/libsyntax/ext/tt/transcribe.rs +++ b/src/libsyntax/ext/tt/transcribe.rs @@ -219,9 +219,9 @@ impl Add for LockstepIterSize { LockstepIterSize::Unconstrained => other, LockstepIterSize::Contradiction(_) => self, LockstepIterSize::Constraint(l_len, ref l_id) => match other { - LockstepIterSize::Unconstrained => self.clone(), + LockstepIterSize::Unconstrained => self, LockstepIterSize::Contradiction(_) => other, - LockstepIterSize::Constraint(r_len, _) if l_len == r_len => self.clone(), + LockstepIterSize::Constraint(r_len, _) if l_len == r_len => self, LockstepIterSize::Constraint(r_len, r_id) => { let msg = format!("inconsistent lockstep iteration: \ '{}' has {} items, but '{}' has {}", |