Std.Random.pick
1 declaration
fn
pick: &Std.Random.Generator -> &Array[T] -> (Std.Random.Generator, Option[T])This is a callable function.
What it does
One element of an array, or None when it is empty.
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.
- Option holds Some(value) or None when no value is available.
