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lib: more eagerly return self.len() from ceil_char_boundary #143552

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Merged
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Jul 7, 2025
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lib: more eagerly return self.len() from ceil_char_boundary #143552

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2 changes: 1 addition & 1 deletion library/core/src/str/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -446,7 +446,7 @@ impl str {
#[unstable(feature = "round_char_boundary", issue = "93743")]
#[inline]
pub fn ceil_char_boundary(&self, index: usize) -> usize {
if index > self.len() {
if index >= self.len() {
self.len()
} else {
let upper_bound = Ord::min(index + 4, self.len());
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