mirror of https://github.com/rust-lang/rust
92 lines
1.9 KiB
Rust
92 lines
1.9 KiB
Rust
#![allow(warnings)]
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// This test verifies that the suggestion to move types before associated type bindings
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// is correct.
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trait One<T> {
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type A;
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}
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trait OneWithLifetime<'a, T> {
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type A;
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}
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trait Three<T, U, V> {
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type A;
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type B;
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type C;
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}
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trait ThreeWithLifetime<'a, 'b, 'c, T, U, V> {
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type A;
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type B;
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type C;
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}
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struct A<T, M: One<A=(), T>> {
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//~^ ERROR generic arguments must come before the first constraint
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m: M,
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t: T,
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}
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struct Al<'a, T, M: OneWithLifetime<A=(), T, 'a>> {
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//~^ ERROR generic arguments must come before the first constraint
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//~^^ ERROR type provided when a lifetime was expected
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m: M,
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t: &'a T,
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}
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struct B<T, U, V, M: Three<A=(), B=(), C=(), T, U, V>> {
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//~^ ERROR generic arguments must come before the first constraint
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m: M,
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t: T,
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u: U,
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v: V,
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}
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struct Bl<'a, 'b, 'c, T, U, V, M: ThreeWithLifetime<A=(), B=(), C=(), T, U, V, 'a, 'b, 'c>> {
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//~^ ERROR generic arguments must come before the first constraint
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//~^^ ERROR type provided when a lifetime was expected
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m: M,
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t: &'a T,
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u: &'b U,
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v: &'c V,
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}
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struct C<T, U, V, M: Three<T, A=(), B=(), C=(), U, V>> {
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//~^ ERROR generic arguments must come before the first constraint
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m: M,
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t: T,
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u: U,
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v: V,
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}
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struct Cl<'a, 'b, 'c, T, U, V, M: ThreeWithLifetime<T, 'a, A=(), B=(), C=(), U, 'b, V, 'c>> {
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//~^ ERROR generic arguments must come before the first constraint
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//~^^ ERROR lifetime provided when a type was expected
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m: M,
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t: &'a T,
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u: &'b U,
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v: &'c V,
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}
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struct D<T, U, V, M: Three<T, A=(), B=(), U, C=(), V>> {
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//~^ ERROR generic arguments must come before the first constraint
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m: M,
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t: T,
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u: U,
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v: V,
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}
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struct Dl<'a, 'b, 'c, T, U, V, M: ThreeWithLifetime<T, 'a, A=(), B=(), U, 'b, C=(), V, 'c>> {
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//~^ ERROR generic arguments must come before the first constraint
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//~^^ ERROR lifetime provided when a type was expected
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m: M,
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t: &'a T,
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u: &'b U,
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v: &'c V,
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}
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fn main() {}
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