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Clarify that CString::from_vec_unchecked appends 0 byte. #89315

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Sep 30, 2021
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Clarify that CString::from_vec_unchecked appends 0 byte. #89315

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2 changes: 2 additions & 0 deletions library/std/src/ffi/c_str.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -409,6 +409,8 @@ impl CString {
/// Creates a C-compatible string by consuming a byte vector,
/// without checking for interior 0 bytes.
///
/// Trailing 0 byte will be appended by this function.
///
/// This method is equivalent to [`CString::new`] except that no runtime
/// assertion is made that `v` contains no 0 bytes, and it requires an
/// actual byte vector, not anything that can be converted to one with Into.
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