diff options
Diffstat (limited to 'src/libcore/bool.rs')
| -rw-r--r-- | src/libcore/bool.rs | 36 | 
1 files changed, 0 insertions, 36 deletions
| diff --git a/src/libcore/bool.rs b/src/libcore/bool.rs deleted file mode 100644 index 6e0865e8653..00000000000 --- a/src/libcore/bool.rs +++ /dev/null @@ -1,36 +0,0 @@ -//! impl bool {} - -#[lang = "bool"] -impl bool { - /// Returns `Some(t)` if the `bool` is `true`, or `None` otherwise. - /// - /// # Examples - /// - /// ``` - /// #![feature(bool_to_option)] - /// - /// assert_eq!(false.then_some(0), None); - /// assert_eq!(true.then_some(0), Some(0)); - /// ``` - #[unstable(feature = "bool_to_option", issue = "64260")] - #[inline] - pub fn then_some<T>(self, t: T) -> Option<T> { - if self { Some(t) } else { None } - } - - /// Returns `Some(f())` if the `bool` is `true`, or `None` otherwise. - /// - /// # Examples - /// - /// ``` - /// #![feature(bool_to_option)] - /// - /// assert_eq!(false.then(|| 0), None); - /// assert_eq!(true.then(|| 0), Some(0)); - /// ``` - #[unstable(feature = "bool_to_option", issue = "64260")] - #[inline] - pub fn then<T, F: FnOnce() -> T>(self, f: F) -> Option<T> { - if self { Some(f()) } else { None } - } -} | 
