mirror of
https://github.com/rust-lang/rust
synced 2024-09-06 01:11:17 +00:00
90 lines
1.6 KiB
Rust
90 lines
1.6 KiB
Rust
enum Hey<A, B> {
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A(A),
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B(B),
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}
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struct Foo {
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bar: Option<i32>,
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}
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fn f() {}
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fn a() -> Option<()> {
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while false {
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//~^ ERROR mismatched types
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f();
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}
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//~^ HELP try adding an expression
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}
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fn b() -> Result<(), ()> {
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f()
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//~^ ERROR mismatched types
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//~| HELP try adding an expression
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}
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fn c() -> Option<()> {
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for _ in [1, 2] {
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//~^ ERROR mismatched types
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f();
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}
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//~^ HELP try adding an expression
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}
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fn d() -> Option<()> {
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c()?
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//~^ ERROR incompatible types
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//~| HELP try removing this `?`
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//~| HELP try adding an expression
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}
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fn main() {
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let _: Option<()> = while false {};
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//~^ ERROR mismatched types
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//~| HELP try wrapping
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let _: Option<()> = {
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while false {}
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//~^ ERROR mismatched types
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//~| HELP try adding an expression
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};
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let _: Result<i32, i32> = 1;
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//~^ ERROR mismatched types
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//~| HELP try wrapping
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let _: Option<i32> = 1;
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//~^ ERROR mismatched types
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//~| HELP try wrapping
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let _: Hey<i32, i32> = 1;
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//~^ ERROR mismatched types
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//~| HELP try wrapping
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let _: Hey<i32, bool> = false;
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//~^ ERROR mismatched types
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//~| HELP try wrapping
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let bar = 1i32;
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let _ = Foo { bar };
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//~^ ERROR mismatched types
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//~| HELP try wrapping
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}
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enum A {
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B { b: B },
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}
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struct A2(B);
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enum B {
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Fst,
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Snd,
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}
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fn foo() {
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let a: A = B::Fst;
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//~^ ERROR mismatched types
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//~| HELP try wrapping
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}
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fn bar() {
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let a: A2 = B::Fst;
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//~^ ERROR mismatched types
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//~| HELP try wrapping
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}
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