Std.Option.okOrElse
1 declaration
fn
okOrElse: Option[T] -> fn() -> E -> Result[T, E]This is a callable function.
What it does
The value, or the failure a caller names, without discarding either.
Read the signature
- The text after the name is the type checked by Pudu.
- Read arrows from left to right: inputs come first, and the final type is returned.
- Names inside [ ] are type arguments, such as the item type held by a collection.
- Option holds Some(value) or None when no value is available.
- Result makes success and recoverable failure part of the function's type.