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Add doc example for FromBytesWithNulError
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@ -168,6 +168,14 @@ pub struct CStr {
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/// byte was found too early in the slice provided or one wasn't found at all.
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///
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/// [`CStr::from_bytes_with_nul`]: struct.CStr.html#method.from_bytes_with_nul
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///
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/// # Examples
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///
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/// ```
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/// use std::ffi::{CStr, FromBytesWithNulError};
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///
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/// let _: FromBytesWithNulError = CStr::from_bytes_with_nul(b"f\0oo").unwrap_err();
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/// ```
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#[derive(Clone, PartialEq, Eq, Debug)]
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#[stable(feature = "cstr_from_bytes", since = "1.10.0")]
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pub struct FromBytesWithNulError {
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