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Add doc example for CStr::to_bytes.

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This commit is contained in:
Corey Farwell 2017-06-18 14:11:34 -07:00
parent 29bce6e220
commit 0fad2e038a
1 changed files with 9 additions and 0 deletions
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9
src/libstd/ffi/c_str.rs
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@ -800,6 +800,15 @@ pub fn as_ptr(&self) -> *const c_char {
/// > **Note**: This method is currently implemented as a 0-cost cast, but
/// > it is planned to alter its definition in the future to perform the
/// > length calculation whenever this method is called.
///
/// # Examples
///
/// ```
/// use std::ffi::CStr;
///
/// let c_str = CStr::from_bytes_with_nul(b"foo\0").unwrap();
/// assert_eq!(c_str.to_bytes(), b"foo");
/// ```
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]
pub fn to_bytes(&self) -> &[u8] {