3 ms·
If if/else is an expression, what would be the return type of `if (true) { 42 }`?
by always_good 8y ago
If if/else is an expression, what would be the return type of `if (true) { 42 }`?
- klibertp 8y agoint option which is basically a variant/union like this: Result of 'a | Void You could also have a `discard` or `ignore` function/operator, which can swallow every type, so it doesn't matter what it was. Some languages actually require you to use such operators, for example, Nim and F#.