diff options
-rw-r--r-- | src/lib.rs | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -1,11 +1,13 @@ //! This crate adds the missing Result::inspect function via an extension trait //! +/// Extension trait for adding Result::inspect pub trait ResultInspect<F, T> where F: FnOnce(&T), T: Sized, { + /// Call `f` on T if the Result is a Ok(T), or do nothing if the Result is an Err fn inspect(self, f: F) -> Self; } @@ -22,6 +24,7 @@ where F: FnOnce(&T), T: Sized, { + /// Call `f` on T if the Result is a Ok(T), or do nothing if the Result is an Err fn inspect(self, f: F) -> Self { if let Ok(o) = self.as_ref() { (f)(o); @@ -43,11 +46,13 @@ where } } +/// Extension trait for adding Result::inspect_err pub trait ResultInspectErr<F, E> where F: FnOnce(&E), E: Sized, { + /// Call `f` on T if the Result is a Err(E), or do nothing if the Result is an Ok fn inspect_err(self, f: F) -> Self; } @@ -64,6 +69,7 @@ where F: FnOnce(&E), E: Sized, { + /// Call `f` on T if the Result is a Err(E), or do nothing if the Result is an Ok fn inspect_err(self, f: F) -> Self { if let Err(e) = self.as_ref() { (f)(e); |