mirror of https://github.com/rust-lang/rust
78 lines
1.4 KiB
Rust
78 lines
1.4 KiB
Rust
//@ run-rustfix
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//@ edition:2021
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#![allow(dead_code)]
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#![allow(unused_variables)]
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use std::future::Future;
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use std::pin::Pin;
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fn test1() {
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let string = String::from("Hello, world");
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struct Demo<'a> {
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option: Option<&'a str>,
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}
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let option: Option<String> = Some(string.clone());
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let s = Demo { option }; //~ ERROR mismatched types
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}
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fn test2() {
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let string = String::from("Hello, world");
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struct Demo<'a> {
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option_ref: Option<&'a str>,
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}
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let option_ref = Some(&string);
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let s = Demo { option_ref }; //~ ERROR mismatched types
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}
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fn test3() {
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let string = String::from("Hello, world");
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struct Demo<'a> {
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option_ref_ref: Option<&'a str>,
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}
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let option_ref = Some(&string);
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let option_ref_ref = option_ref.as_ref();
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let s = Demo { option_ref_ref }; //~ ERROR mismatched types
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}
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fn test4() {
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let a = 1;
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struct Demo {
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a: String,
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}
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let s = Demo { a }; //~ ERROR mismatched types
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}
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type BoxFuture<'a, T> = Pin<Box<dyn Future<Output = T> + Send + 'a>>;
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fn test5() {
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let a = async { 42 };
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struct Demo {
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a: BoxFuture<'static, i32>,
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}
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let s = Demo { a }; //~ ERROR mismatched types
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}
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fn test6() {
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struct A;
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struct B;
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impl From<B> for A {
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fn from(_: B) -> Self {
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A
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}
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}
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struct Demo {
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a: A,
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}
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let a = B;
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let s = Demo { a }; //~ ERROR mismatched types
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}
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fn main() {}
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