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Document BinOp::is_checkable

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Tomasz Miąsko 2023-03-12 00:00:00 +00:00
parent 938afba899
commit b16d6ccdcd
1 changed files with 3 additions and 0 deletions
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compiler/rustc_middle/src/mir/mod.rs
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@ -1999,6 +1999,9 @@ impl BorrowKind {
} }
impl BinOp { impl BinOp {
/// The checkable operators are those whose overflow checking behavior is controlled by
/// -Coverflow-checks option. The remaining operators have either no overflow conditions (e.g.,
/// BitAnd, BitOr, BitXor) or are always checked for overflow (e.g., Div, Rem).
pub fn is_checkable(self) -> bool { pub fn is_checkable(self) -> bool {
use self::BinOp::*; use self::BinOp::*;
matches!(self, Add | Sub | Mul | Shl | Shr) matches!(self, Add | Sub | Mul | Shl | Shr)