70 lines
1.4 KiB
Rust
70 lines
1.4 KiB
Rust
|
// run-rustfix
|
||
|
|
#![warn(clippy::assertions_on_result_states)]
|
||
|
|
|
||
|
|
use std::result::Result;
|
||
|
|
|
||
|
|
struct Foo;
|
||
|
|
|
||
|
|
#[derive(Debug)]
|
||
|
|
struct DebugFoo;
|
||
|
|
|
||
|
|
#[derive(Copy, Clone, Debug)]
|
||
|
|
struct CopyFoo;
|
||
|
|
|
||
|
|
macro_rules! get_ok_macro {
|
||
|
|
() => {
|
||
|
|
Ok::<_, DebugFoo>(Foo)
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
// test ok
|
||
|
|
let r: Result<Foo, DebugFoo> = Ok(Foo);
|
||
|
|
debug_assert!(r.is_ok());
|
||
|
|
r.unwrap();
|
||
|
|
|
||
|
|
// test ok with non-debug error type
|
||
|
|
let r: Result<Foo, Foo> = Ok(Foo);
|
||
|
|
assert!(r.is_ok());
|
||
|
|
|
||
|
|
// test temporary ok
|
||
|
|
fn get_ok() -> Result<Foo, DebugFoo> {
|
||
|
|
Ok(Foo)
|
||
|
|
}
|
||
|
|
get_ok().unwrap();
|
||
|
|
|
||
|
|
// test macro ok
|
||
|
|
get_ok_macro!().unwrap();
|
||
|
|
|
||
|
|
// test ok that shouldn't be moved
|
||
|
|
let r: Result<CopyFoo, DebugFoo> = Ok(CopyFoo);
|
||
|
|
fn test_ref_unmoveable_ok(r: &Result<CopyFoo, DebugFoo>) {
|
||
|
|
assert!(r.is_ok());
|
||
|
|
}
|
||
|
|
test_ref_unmoveable_ok(&r);
|
||
|
|
assert!(r.is_ok());
|
||
|
|
r.unwrap();
|
||
|
|
|
||
|
|
// test ok that is copied
|
||
|
|
let r: Result<CopyFoo, CopyFoo> = Ok(CopyFoo);
|
||
|
|
r.unwrap();
|
||
|
|
r.unwrap();
|
||
|
|
|
||
|
|
// test reference to ok
|
||
|
|
let r: Result<CopyFoo, CopyFoo> = Ok(CopyFoo);
|
||
|
|
fn test_ref_copy_ok(r: &Result<CopyFoo, CopyFoo>) {
|
||
|
|
r.unwrap();
|
||
|
|
}
|
||
|
|
test_ref_copy_ok(&r);
|
||
|
|
r.unwrap();
|
||
|
|
|
||
|
|
// test err
|
||
|
|
let r: Result<DebugFoo, Foo> = Err(Foo);
|
||
|
|
debug_assert!(r.is_err());
|
||
|
|
r.unwrap_err();
|
||
|
|
|
||
|
|
// test err with non-debug value type
|
||
|
|
let r: Result<Foo, Foo> = Err(Foo);
|
||
|
|
assert!(r.is_err());
|
||
|
|
}
|