1error[E0107]: missing generics for associated type `X::Y` 2 --> $DIR/missing_lifetime_args.rs:13:32 3 | 4LL | fn foo<'c, 'd>(_arg: Box<dyn X<Y = (&'c u32, &'d u32)>>) {} 5 | ^ expected 2 lifetime arguments 6 | 7note: associated type defined here, with 2 lifetime parameters: `'a`, `'b` 8 --> $DIR/missing_lifetime_args.rs:4:10 9 | 10LL | type Y<'a, 'b>; 11 | ^ -- -- 12help: add missing lifetime arguments 13 | 14LL | fn foo<'c, 'd>(_arg: Box<dyn X<Y<'c, 'd> = (&'c u32, &'d u32)>>) {} 15 | ~~~~~~~~~ 16 17error[E0107]: this struct takes 3 lifetime arguments but 2 lifetime arguments were supplied 18 --> $DIR/missing_lifetime_args.rs:16:26 19 | 20LL | fn bar<'a, 'b, 'c>(_arg: Foo<'a, 'b>) {} 21 | ^^^ -- -- supplied 2 lifetime arguments 22 | | 23 | expected 3 lifetime arguments 24 | 25note: struct defined here, with 3 lifetime parameters: `'a`, `'b`, `'c` 26 --> $DIR/missing_lifetime_args.rs:7:8 27 | 28LL | struct Foo<'a, 'b, 'c> { 29 | ^^^ -- -- -- 30help: add missing lifetime argument 31 | 32LL | fn bar<'a, 'b, 'c>(_arg: Foo<'a, 'b, 'a>) {} 33 | ++++ 34 35error[E0107]: this struct takes 3 lifetime arguments but 1 lifetime argument was supplied 36 --> $DIR/missing_lifetime_args.rs:19:16 37 | 38LL | fn f<'a>(_arg: Foo<'a>) {} 39 | ^^^ -- supplied 1 lifetime argument 40 | | 41 | expected 3 lifetime arguments 42 | 43note: struct defined here, with 3 lifetime parameters: `'a`, `'b`, `'c` 44 --> $DIR/missing_lifetime_args.rs:7:8 45 | 46LL | struct Foo<'a, 'b, 'c> { 47 | ^^^ -- -- -- 48help: add missing lifetime arguments 49 | 50LL | fn f<'a>(_arg: Foo<'a, 'b, 'c>) {} 51 | ++++++++ 52 53error: aborting due to 3 previous errors 54 55For more information about this error, try `rustc --explain E0107`. 56