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made const both Utf8Error methods #111

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10 changes: 7 additions & 3 deletions src/compat.rs
Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ impl Utf8Error {
/// ...
#[inline]
#[must_use]
pub fn valid_up_to(&self) -> usize {
pub const fn valid_up_to(&self) -> usize {
self.valid_up_to
}

Expand All @@ -41,8 +41,12 @@ impl Utf8Error {
/// ...
#[inline]
#[must_use]
pub fn error_len(&self) -> Option<usize> {
self.error_len.map(|len| len as usize)
pub const fn error_len(&self) -> Option<usize> {
if let Some(len) = self.error_len {
Some(len as usize)
} else {
None
}
}
}

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