49 lines
2.0 KiB
Rust
49 lines
2.0 KiB
Rust
// Test the suggestion to remove a leading, or trailing `|`.
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// run-rustfix
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#![allow(warnings)]
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fn main() {}
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#[cfg(FALSE)]
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fn leading() {
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fn fun1( | A: E) {} //~ ERROR top-level or-patterns are not allowed
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fn fun2( || A: E) {} //~ ERROR unexpected `||` before function parameter
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let ( | A): E;
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let ( || A): (E); //~ ERROR unexpected token `||` in pattern
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let ( | A,): (E,);
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let [ | A ]: [E; 1];
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let [ || A ]: [E; 1]; //~ ERROR unexpected token `||` in pattern
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let TS( | A ): TS;
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let TS( || A ): TS; //~ ERROR unexpected token `||` in pattern
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let NS { f: | A }: NS;
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let NS { f: || A }: NS; //~ ERROR unexpected token `||` in pattern
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}
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#[cfg(FALSE)]
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fn trailing() {
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let ( A | ): E; //~ ERROR a trailing `|` is not allowed in an or-pattern
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let (a |,): (E,); //~ ERROR a trailing `|` is not allowed in an or-pattern
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let ( A | B | ): E; //~ ERROR a trailing `|` is not allowed in an or-pattern
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let [ A | B | ]: [E; 1]; //~ ERROR a trailing `|` is not allowed in an or-pattern
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let S { f: B | }; //~ ERROR a trailing `|` is not allowed in an or-pattern
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let ( A || B | ): E; //~ ERROR unexpected token `||` in pattern
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//~^ ERROR a trailing `|` is not allowed in an or-pattern
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match A {
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A | => {} //~ ERROR a trailing `|` is not allowed in an or-pattern
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A || => {} //~ ERROR a trailing `|` is not allowed in an or-pattern
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A || B | => {} //~ ERROR unexpected token `||` in pattern
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//~^ ERROR a trailing `|` is not allowed in an or-pattern
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| A | B | => {}
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//~^ ERROR a trailing `|` is not allowed in an or-pattern
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}
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// These test trailing-vert in `let` bindings, but they also test that we don't emit a
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// duplicate suggestion that would confuse rustfix.
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let a | : u8 = 0; //~ ERROR a trailing `|` is not allowed in an or-pattern
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let a | = 0; //~ ERROR a trailing `|` is not allowed in an or-pattern
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let a | ; //~ ERROR a trailing `|` is not allowed in an or-pattern
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}
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