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Add doc for impl From for Error #53517

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Merged
merged 4 commits into from
Oct 8, 2018
Merged

Add doc for impl From for Error #53517

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96282e1
Add doc for impl From for Error
phungleson Aug 20, 2018
70f4269
Doc for From ErrorKind
phungleson Sep 26, 2018
b3750aa
Remove main() from examples
phungleson Oct 2, 2018
4f3896d
'a' → 'an' in front of vowel sounds.
frewsxcv Oct 6, 2018
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13 changes: 13 additions & 0 deletions src/libstd/io/error.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -212,6 +212,19 @@ impl ErrorKind {
/// the heap (for normal construction via Error::new) is too costly.
#[stable(feature = "io_error_from_errorkind", since = "1.14.0")]
impl From<ErrorKind> for Error {
/// Converts an [`ErrorKind`] into an [`Error`].
///
/// This conversion allocates a new error with a simple representation of error kind.
///
/// # Examples
///
/// ```
/// use std::io::{Error, ErrorKind};
///
/// let not_found = ErrorKind::NotFound;
/// let error = Error::from(not_found);
/// assert_eq!("entity not found", format!("{}", error));
/// ```
#[inline]
fn from(kind: ErrorKind) -> Error {
Error {
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