rust/tests/pretty/where-clauses.rs

// pp-exact

fn f<'a, 'b, T>(t: T) -> isize where T: 'a, 'a: 'b, T: Eq { 0 }

// This is legal syntax, sometimes generated by macros. `where T: $($bound+)*`
fn zero_bounds<'a, T>() where 'a:, T: {}

fn main() {}
Add parser support for generalized where clauses Implement support in the parser for generalized where clauses, as well as the conversion of ast::WherePredicates to ty::Predicate in `collect.rs`. 2014-12-20 10:29:19 +00:00			`// pp-exact`

Fix pretty-printing of lifetime bound 2016-06-29 12:53:01 +00:00			`fn f<'a, 'b, T>(t: T) -> isize where T: 'a, 'a: 'b, T: Eq { 0 }`
patch up pretty-printing test 2014-12-20 13:41:33 +00:00
Add pp-exact test involving `where T:` Currently fails. ---- [pretty] src/test/pretty/where-clauses.rs stdout ---- error: pretty-printed source does not match expected source expected: ------------------------------------------ // pp-exact fn f<'a, 'b, T>(t: T) -> isize where T: 'a, 'a: 'b, T: Eq { 0 } // This is legal syntax, sometimes generated by macros. `where T: $($bound+)` fn zero_bounds<'a, T>() where 'a:, T: {} fn main() {} ------------------------------------------ actual: ------------------------------------------ // pp-exact fn f<'a, 'b, T>(t: T) -> isize where T: 'a, 'a: 'b, T: Eq { 0 } // This is legal syntax, sometimes generated by macros. `where T: $($bound+)` fn zero_bounds<'a, T>() where 'a, T {} fn main() {} ------------------------------------------ diff: ------------------------------------------ 3 fn f<'a, 'b, T>(t: T) -> isize where T: 'a, 'a: 'b, T: Eq { 0 } 4 5 // This is legal syntax, sometimes generated by macros. `where T: $($bound+)*` - fn zero_bounds<'a, T>() where 'a:, T: {} + fn zero_bounds<'a, T>() where 'a, T {} 7 8 fn main() {} 9 2022-06-17 00:00:29 +00:00			// This is legal syntax, sometimes generated by macros. `where T: $($bound+)*`
			`fn zero_bounds<'a, T>() where 'a:, T: {}`

Pretty print empty blocks as {} 2021-12-01 19:45:14 +00:00			`fn main() {}`