rust/src/test/ui/or-patterns/remove-leading-vert.rs

// Test the suggestion to remove a leading, or trailing `|`.

// run-rustfix

#![feature(or_patterns)]
#![allow(warnings)]

fn main() {}

#[cfg(FALSE)]
fn leading() {
    fn fun1( | A: E) {} //~ ERROR a leading `|` is not allowed in a parameter pattern
    fn fun2( || A: E) {} //~ ERROR a leading `|` is not allowed in a parameter pattern
    let ( | A): E; //~ ERROR a leading `|` is only allowed in a top-level pattern
    let ( || A): (E); //~ ERROR a leading `|` is only allowed in a top-level pattern
    let ( | A,): (E,); //~ ERROR a leading `|` is only allowed in a top-level pattern
    let [ | A ]: [E; 1]; //~ ERROR a leading `|` is only allowed in a top-level pattern
    let [ || A ]: [E; 1]; //~ ERROR a leading `|` is only allowed in a top-level pattern
    let TS( | A ): TS; //~ ERROR a leading `|` is only allowed in a top-level pattern
    let TS( || A ): TS; //~ ERROR a leading `|` is only allowed in a top-level pattern
    let NS { f: | A }: NS; //~ ERROR a leading `|` is only allowed in a top-level pattern
    let NS { f: || A }: NS; //~ ERROR a leading `|` is only allowed in a top-level pattern
}

#[cfg(FALSE)]
fn trailing() {
    let ( A | ): E; //~ ERROR a trailing `|` is not allowed in an or-pattern
    let (a |,): (E,); //~ ERROR a trailing `|` is not allowed in an or-pattern
    let ( A | B | ): E; //~ ERROR a trailing `|` is not allowed in an or-pattern
    let [ A | B | ]: [E; 1]; //~ ERROR a trailing `|` is not allowed in an or-pattern
    let S { f: B | }; //~ ERROR a trailing `|` is not allowed in an or-pattern
    let ( A || B | ): E; //~ ERROR unexpected token `||` after pattern
    //~^ ERROR a trailing `|` is not allowed in an or-pattern
    match A {
        A | => {} //~ ERROR a trailing `|` is not allowed in an or-pattern
        A || => {} //~ ERROR a trailing `|` is not allowed in an or-pattern
        A || B | => {} //~ ERROR unexpected token `||` after pattern
        //~^ ERROR a trailing `|` is not allowed in an or-pattern
        | A | B | => {}
        //~^ ERROR a trailing `|` is not allowed in an or-pattern
    }

    let a | : u8 = 0; //~ ERROR a trailing `|` is not allowed in an or-pattern
    let a | = 0; //~ ERROR a trailing `|` is not allowed in an or-pattern
    let a | ; //~ ERROR a trailing `|` is not allowed in an or-pattern
}