Trait proc_macro_error::OptionExt
source · [−]pub trait OptionExt {
type Some;
fn expect_or_abort(self, msg: &str) -> Self::Some;
}
Expand description
This traits expands Option
with some handy shortcuts.
Associated Types
Required methods
fn expect_or_abort(self, msg: &str) -> Self::Some
fn expect_or_abort(self, msg: &str) -> Self::Some
Behaves like Option::expect
: if self is Some
yield the contained value,
otherwise abort macro execution via abort_call_site!
.
If it aborts the message
will be used for compile_error!
invocation.