- This crate defines
DropOk<E>
trait andimpl
forResult
. DropOk<E>
trait has.drop_ok(self) -> Result<(), E>
function.- This is a syntax sugar for
.map(|_|())
.
fn some_function() -> Result<(), MyError>
{
match switcher
{
pattern_a => some_task1().drop_ok()?
pattern_b => some_task2().drop_ok()?
pattern_c => some_task3()?
pattern_d => some_task4()
_ => ()
}
}
fn some_task1() -> Result<i8 , MyError> { /* abbr */ }
fn some_task2<'a>() -> Result<&'a str, MyError> { /* abbr */ }
fn some_task3() -> Result<() , MyError> { /* abbr */ }
fn some_task4() { /* abbr */ }
- See also: <tests/test.rs>
"I don't need it, because ..."
- Yes, your are right to your world.
- But, I tired to type/see
.map(|_|())
. So I'm happy with.drop_ok()
.
- But, I tired to type/see
- USAGI.NETWORK / Usagi Ito https://github.com/usagi/