Std.List.sortOn
1 declaration
fn
sortOn: &Array[T] -> fn(T) -> K -> Array[T] where K: OrdThis is a callable function.
What it does
The elements ordered by a key drawn from each one.
The key may be of any ordered type, not only a number: sorting people by
name is the same operation as sorting them by age.
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.
- & borrows a value for this call instead of moving or copying it.
- Names inside [ ] are type arguments, such as the item type held by a collection.
