File: suggest_tuple_wrap.rs

package info (click to toggle)
rustc 1.88.0%2Bdfsg1-2
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid
  • size: 934,168 kB
  • sloc: xml: 158,127; python: 36,062; javascript: 19,855; sh: 19,700; cpp: 18,947; ansic: 12,993; asm: 4,792; makefile: 690; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (19 lines) | stat: -rw-r--r-- 535 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
pub trait Argument {}
impl Argument for u8 {}
impl Argument for i8 {}
impl Argument for String {}
impl Argument for &str {}

pub trait TupleArgs {}
impl<A: Argument> TupleArgs for (A,) {}
impl<A: Argument, B: Argument> TupleArgs for (A, B) {}
impl<A: Argument, B: Argument, C: Argument> TupleArgs for (A, B, C) {}

fn convert_into_tuple(_x: impl TupleArgs) {}

fn main() {
    convert_into_tuple(42_u8);
    //~^ ERROR E0277
    //~| HELP the following other types implement trait `TupleArgs`
    //~| HELP use a unary tuple instead
}