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Add doc example for CString::as_c_str
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@ -412,6 +412,18 @@ pub fn as_bytes_with_nul(&self) -> &[u8] {
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/// Extracts a [`CStr`] slice containing the entire string.
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///
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/// [`CStr`]: struct.CStr.html
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///
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/// # Examples
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///
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/// ```
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/// #![feature(as_c_str)]
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///
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/// use std::ffi::{CString, CStr};
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///
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/// let c_string = CString::new(b"foo".to_vec()).unwrap();
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/// let c_str = c_string.as_c_str();
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/// assert_eq!(c_str, CStr::from_bytes_with_nul(b"foo\0").unwrap());
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/// ```
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#[inline]
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#[unstable(feature = "as_c_str", issue = "40380")]
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pub fn as_c_str(&self) -> &CStr {
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