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Utf8Error::valid_up_to: make documented semantics more precise/useful #28637

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Sep 26, 2015
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Utf8Error::valid_up_to: make documented semantics more precise/useful #28637

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4 changes: 2 additions & 2 deletions src/libcore/str/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -115,8 +115,8 @@ impl Utf8Error {
/// Returns the index in the given string up to which valid UTF-8 was
/// verified.
///
/// Starting at the index provided, but not necessarily at it precisely, an
/// invalid UTF-8 encoding sequence was found.
/// It is the maximum index such that `from_utf8(input[..index])`
/// would return `Some(_)`.
#[unstable(feature = "utf8_error", reason = "method just added",
issue = "27734")]
pub fn valid_up_to(&self) -> usize { self.valid_up_to }
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