bjoernager/rust
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Remove from_bool closure.

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The code is clearer and simpler without it. Note that the `a == b` early
return at the top of the function means the `a == b` test at the end of
the function could never succeed.
This commit is contained in:
Nicholas Nethercote 2022-06-09 09:38:30 +10:00
parent fab85ddbeb
commit 3ab6ef1938
1 changed files with 2 additions and 4 deletions
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6
compiler/rustc_mir_build/src/thir/pattern/mod.rs
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@ -757,10 +757,8 @@ pub(crate) fn compare_const_vals<'tcx>(
assert_eq!(a.ty(), b.ty()); assert_eq!(a.ty(), b.ty());
assert_eq!(a.ty(), ty); assert_eq!(a.ty(), ty);
let from_bool = |v: bool| v.then_some(Ordering::Equal);
if a == b { if a == b {
return from_bool(true); return Some(Ordering::Equal);
} }
let a_bits = a.try_eval_bits(tcx, param_env, ty); let a_bits = a.try_eval_bits(tcx, param_env, ty);
@ -790,5 +788,5 @@ pub(crate) fn compare_const_vals<'tcx>(
}; };
} }
from_bool(a == b) None
} }