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added Error and Display impl for std::ffi::FromBytesWithNulError #39960

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Merged
merged 2 commits into from
Mar 1, 2017
Merged

added Error and Display impl for std::ffi::FromBytesWithNulError #39960

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6a10e63
added Error and Display impl for std::ffi::FromBytesWithNulError
chordowl Feb 19, 2017
48331ef
changed stability annotations
chordowl Feb 21, 2017
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14 changes: 14 additions & 0 deletions src/libstd/ffi/c_str.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -455,6 +455,20 @@ impl From<NulError> for io::Error {
}
}

#[stable(feature = "frombyteswithnulerror_impls", since = "1.17.0")]
impl Error for FromBytesWithNulError {
fn description(&self) -> &str {
"data provided is not null terminated or contains an interior nul byte"
}
}

#[stable(feature = "frombyteswithnulerror_impls", since = "1.17.0")]
impl fmt::Display for FromBytesWithNulError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
self.description().fmt(f)
}
}

impl IntoStringError {
/// Consumes this error, returning original `CString` which generated the
/// error.
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