unwrap method
T
unwrap()
Returns the held value of this Option
if it is Some.
Warning: This method is unsafe. An OptionError will be thrown when
this method is called if this Option
is None.
See also:
Rust: Option::unwrap()
Implementation
T unwrap() => switch (this) {
Some(:T v) => v,
None() => throw OptionError('called `Option#unwrap()` on a `None` value')
};