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// 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 ok with some messages
let r: Result<Foo, DebugFoo> = Ok(Foo);
assert!(r.is_ok(), "oops");
// test ok with unit error
let r: Result<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());
}
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