bjoernager/rust
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Address review comments

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This commit is contained in:
Nadrieril 2023-12-14 17:58:33 +01:00
parent e10b165775
commit 8c5e89907c
3 changed files with 4 additions and 12 deletions
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3
compiler/rustc_pattern_analysis/src/constructor.rs
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@ -266,8 +266,7 @@ pub struct IntRange {
impl IntRange {
/// Best effort; will not know that e.g. `255u8..` is a singleton.
#[cfg_attr(not(feature = "rustc"), allow(dead_code))]
pub(crate) fn is_singleton(&self) -> bool {
pub fn is_singleton(&self) -> bool {
// Since `lo` and `hi` can't be the same `Infinity` and `plus_one` never changes from finite
// to infinite, this correctly only detects ranges that contain exacly one `Finite(x)`.
self.lo.plus_one() == self.hi