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Allow for const arrays of zeros

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This commit is contained in:
Marcin Serwin 2020-03-20 10:40:44 +01:00
parent 621767136e
commit bcbb9d9acb
1 changed files with 5 additions and 0 deletions
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5
clippy_lints/src/misc.rs
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@ -475,6 +475,11 @@ fn is_allowed<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr<'_>) -> boo
match constant(cx, cx.tables, expr) {
Some((Constant::F32(f), _)) => f == 0.0 || f.is_infinite(),
Some((Constant::F64(f), _)) => f == 0.0 || f.is_infinite(),
Some((Constant::Vec(vec), _)) => vec.iter().all(|f| match f {
Constant::F32(f) => *f == 0.0 || (*f).is_infinite(),
Constant::F64(f) => *f == 0.0 || (*f).is_infinite(),
_ => false,
}),
_ => false,
}
}