mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-18 03:25:55 +00:00
45 lines
1016 B
Rust
45 lines
1016 B
Rust
//@ compile-flags:--test
|
|
|
|
/// ```rust,edition2018
|
|
/// #![feature(try_blocks)]
|
|
///
|
|
/// use std::num::ParseIntError;
|
|
///
|
|
/// let result: Result<i32, ParseIntError> = try {
|
|
/// "1".parse::<i32>()?
|
|
/// + "2".parse::<i32>()?
|
|
/// + "3".parse::<i32>()?
|
|
/// };
|
|
/// assert_eq!(result, Ok(6));
|
|
///
|
|
/// let result: Result<i32, ParseIntError> = try {
|
|
/// "1".parse::<i32>()?
|
|
/// + "foo".parse::<i32>()?
|
|
/// + "3".parse::<i32>()?
|
|
/// };
|
|
/// assert!(result.is_err());
|
|
/// ```
|
|
|
|
|
|
/// ```rust,edition2015,compile_fail,E0574
|
|
/// #![feature(try_blocks)]
|
|
///
|
|
/// use std::num::ParseIntError;
|
|
///
|
|
/// let result: Result<i32, ParseIntError> = try {
|
|
/// "1".parse::<i32>()?
|
|
/// + "2".parse::<i32>()?
|
|
/// + "3".parse::<i32>()?
|
|
/// };
|
|
/// assert_eq!(result, Ok(6));
|
|
///
|
|
/// let result: Result<i32, ParseIntError> = try {
|
|
/// "1".parse::<i32>()?
|
|
/// + "foo".parse::<i32>()?
|
|
/// + "3".parse::<i32>()?
|
|
/// };
|
|
/// assert!(result.is_err());
|
|
/// ```
|
|
|
|
pub fn foo() {}
|