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Function of the day

lib.lists.all

  • Takes 2 arguments

    pred, list

    Returns true if function pred returns true for all elements of list.

    Inputs

    pred

    Predicate

    list

    Input list

    Type

    all :: (a -> Bool) -> [a] -> Bool

    Examples

    lib.lists.all usage example

    all (x: x < 3) [ 1 2 ]
=> true
all (x: x < 3) [ 1 2 3 ]
=> false