SWI-Prolog -- convlist/3

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SWI-Prolog owl logo Predicate convlist/3

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Documentation
- Reference manual
  - The SWI-Prolog library
    - library(apply): Apply predicates on a list
      - include/3
      - exclude/3
      - partition/4
      - partition/5
      - maplist/2
      - maplist/3
      - maplist/4
      - maplist/5
      - convlist/3
      - foldl/4
      - foldl/5
      - foldl/6
      - foldl/7
      - scanl/4
      - scanl/5
      - scanl/6
      - scanl/7
- Packages

Availability::- use_module(library(apply)).(can be autoloaded)

Source [det]convlist(:Goal, +ListIn, -ListOut)

Similar to maplist/3, but elements for which call(Goal, ElemIn, _) fails are omitted from ListOut. For example (using library(yall)):

?- convlist([X,Y]>>(integer(X), Y is X^2),
 [3, 5, foo, 2], L).
L = [9, 25, 4].

Compatibility: Also appears in YAP library(maplist) and SICStus library(lists).

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