Std.List.modify
1 declaration
fn
modify: &Array[T] -> Int -> fn(T) -> T -> Array[T]This is a callable function.
What it does
The array with one position transformed, or unchanged when it has none.
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.