File: branches.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (25 lines) | stat: -rw-r--r-- 470 bytes parent folder | download | duplicates (8) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
#![feature(type_alias_impl_trait)]

type Foo = impl std::fmt::Debug;

fn foo(b: bool) -> Foo {
    if b {
        vec![42_i32]
    } else {
        std::iter::empty().collect()
    }
}

type Bar = impl std::fmt::Debug;

fn bar(b: bool) -> Bar {
    let x: Bar = if b {
        vec![42_i32]
    } else {
        std::iter::empty().collect()
        //~^ ERROR  a value of type `Bar` cannot be built from an iterator over elements of type `_`
    };
    x
}

fn main() {}