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Diffstat (limited to 'src/doc/guide.md')
| -rw-r--r-- | src/doc/guide.md | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/doc/guide.md b/src/doc/guide.md index 87a010c799e..53ed2af9cd9 100644 --- a/src/doc/guide.md +++ b/src/doc/guide.md @@ -5213,17 +5213,17 @@ immediately. ## Success and failure -Tasks don't always succeed, they can also fail. A task that wishes to fail -can call the `fail!` macro, passing a message: +Tasks don't always succeed, they can also panic. A task that wishes to panic +can call the `panic!` macro, passing a message: ```{rust} spawn(proc() { - fail!("Nope."); + panic!("Nope."); }); ``` -If a task fails, it is not possible for it to recover. However, it can -notify other tasks that it has failed. We can do this with `task::try`: +If a task panics, it is not possible for it to recover. However, it can +notify other tasks that it has panicked. We can do this with `task::try`: ```{rust} use std::task; @@ -5233,14 +5233,14 @@ let result = task::try(proc() { if rand::random() { println!("OK"); } else { - fail!("oops!"); + panic!("oops!"); } }); ``` -This task will randomly fail or succeed. `task::try` returns a `Result` +This task will randomly panic or succeed. `task::try` returns a `Result` type, so we can handle the response like any other computation that may -fail. +panic. # Macros |