inspect method
Calls the provided function with the contained value if this Result
is Ok.
Result<int, String> foo = Ok(1);
int bar = foo
.map((value) => value + 2)
.inspect((value) => print(value)) // prints: 3
.unwrap();
print(bar); // prints: 3
See also:
Rust: Result::inspect()
Implementation
Result<T, E> inspect(void Function(T) fn) {
if (this case Ok(value: T v)) {
fn(v);
}
return this;
}