diff options
Diffstat (limited to 'src/test/ui/traits/alias/no-extra-traits.rs')
-rw-r--r-- | src/test/ui/traits/alias/no-extra-traits.rs | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/src/test/ui/traits/alias/no-extra-traits.rs b/src/test/ui/traits/alias/no-extra-traits.rs deleted file mode 100644 index 4dad8c0f8..000000000 --- a/src/test/ui/traits/alias/no-extra-traits.rs +++ /dev/null @@ -1,121 +0,0 @@ -// The purpose of this test is to demonstrate that trait alias expansion -// preserves the rule that `dyn Trait` may only reference one non-auto trait. - -#![feature(trait_alias)] - -use std::marker::Unpin; - -// Some arbitrary object-safe traits: -trait ObjA {} -trait ObjB {} - -// Nest a few levels deep: -trait _0 = ObjA; -trait _1 = _0; - -type _T00 = dyn _0 + ObjB; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T01 = dyn ObjB + _0; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T02 = dyn ObjB + _1; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T03 = dyn _1 + ObjB; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -// Nest some more and in weird ways: - -trait _2 = ObjB; -trait _3 = _2; -trait _4 = _3; - -type _T10 = dyn _2 + _3; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T11 = dyn _3 + _2; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T12 = dyn _2 + _4; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T13 = dyn _4 + _2; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -// Include auto traits: - -trait _5 = Sync + ObjB + Send; - -type _T20 = dyn _5 + _1; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T21 = dyn _1 + _5; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T22 = dyn _5 + ObjA; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T23 = dyn ObjA + _5; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T24 = dyn Send + _5 + _1 + Sync; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T25 = dyn _1 + Sync + _5 + Send; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T26 = dyn Sync + Send + _5 + ObjA; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T27 = dyn Send + Sync + ObjA + _5; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -// Also nest: - -trait _6 = _1 + _5; -trait _7 = _6; -trait _8 = _7; - -type _T30 = dyn _6; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T31 = dyn _6 + Send; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T32 = dyn Send + _6; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T33 = dyn _8; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T34 = dyn _8 + Send; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T35 = dyn Send + _8; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -// Nest some more: - -trait _9 = _5 + Sync; -trait _10 = Unpin + _9; - -type _T40 = dyn _10 + ObjA; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T41 = dyn ObjA + _10; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T42 = dyn _10 + _1; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T43 = dyn Send + _10 + Sync + ObjA; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T44 = dyn ObjA + _10 + Send + Sync; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -type _T45 = dyn Sync + Send + _10 + _1; -//~^ ERROR only auto traits can be used as additional traits in a trait object [E0225] - -fn main() {} |