Reorder declarations of Result::expect_err/unwrap_err to match Option

This commit is contained in:
Brian Anderson 2020-02-05 16:31:12 +08:00
parent c00d8aa517
commit db9b578b71

View file

@ -994,6 +994,34 @@ impl<T, E: fmt::Debug> Result<T, E> {
}
impl<T: fmt::Debug, E> Result<T, E> {
/// Unwraps a result, yielding the content of an [`Err`].
///
/// # Panics
///
/// Panics if the value is an [`Ok`], with a panic message including the
/// passed message, and the content of the [`Ok`].
///
/// [`Ok`]: enum.Result.html#variant.Ok
/// [`Err`]: enum.Result.html#variant.Err
///
/// # Examples
///
/// Basic usage:
///
/// ```{.should_panic}
/// let x: Result<u32, &str> = Ok(10);
/// x.expect_err("Testing expect_err"); // panics with `Testing expect_err: 10`
/// ```
#[inline]
#[track_caller]
#[stable(feature = "result_expect_err", since = "1.17.0")]
pub fn expect_err(self, msg: &str) -> E {
match self {
Ok(t) => unwrap_failed(msg, &t),
Err(e) => e,
}
}
/// Unwraps a result, yielding the content of an [`Err`].
///
/// # Panics
@ -1025,34 +1053,6 @@ impl<T: fmt::Debug, E> Result<T, E> {
Err(e) => e,
}
}
/// Unwraps a result, yielding the content of an [`Err`].
///
/// # Panics
///
/// Panics if the value is an [`Ok`], with a panic message including the
/// passed message, and the content of the [`Ok`].
///
/// [`Ok`]: enum.Result.html#variant.Ok
/// [`Err`]: enum.Result.html#variant.Err
///
/// # Examples
///
/// Basic usage:
///
/// ```{.should_panic}
/// let x: Result<u32, &str> = Ok(10);
/// x.expect_err("Testing expect_err"); // panics with `Testing expect_err: 10`
/// ```
#[inline]
#[track_caller]
#[stable(feature = "result_expect_err", since = "1.17.0")]
pub fn expect_err(self, msg: &str) -> E {
match self {
Ok(t) => unwrap_failed(msg, &t),
Err(e) => e,
}
}
}
impl<T: Default, E> Result<T, E> {