SWI-Prolog -- foreach//2

Documentation
- Reference manual
  - The SWI-Prolog library
    - library(dcg/high_order): High order grammar operations
- Packages

Availability::- use_module(library(dcg/high_order)).

[det]foreach(:Generator, :Element)//

[det]foreach(:Generator, :Element, :Sep)//

Generate a list from the solutions of Generator. This predicate collects all solutions of Generator, applies Element for each solution and Sep between each pair of solutions. For example:

?- phrase(foreach(between(1,5,X), number(X), ", "), L).
L = "1, 2, 3, 4, 5".