next ( gen -- result )
Generators

Next:

?next ( gen -- val/f end? )

Vocabulary
generators

Inputs

gen	a generator

Outputs

result

an object

Word description
Resume computation in the generator until the next value is produced.

Definition

USING: accessors coroutines kernel ;

IN: generators

: next ( gen -- result )
    state>> [ *coresume ] [ stop-generator ] if* ;