trusty (3) Prelude.compose.3kaya.gz

NAME

       Prelude::compose - Compose two functions.

SYNOPSIS

       a(c) compose( a(b) f, b(c) g )

ARGUMENTS

       f The first function to compose

       g The second function to compose

DESCRIPTION

       Compose two functions: compose(f,g)(x) == f(g(x))

    Float double(Float x) {
        return x*2.0;
    }
    Int roundDown(Float y) {
        return Int(floor(y));
    }
    Void main() {
        combined = compose(roundDown,double);
        a = combined(3.6);
        // a = 7
    }

AUTHORS

       Kaya  standard  library  by  Edwin  Brady,  Chris  Morris  and  others  (kaya@kayalang.org).  For further
       information see http://kayalang.org/

LICENSE

       The Kaya standard library is free software; you can redistribute it and/or modify it under the  terms  of
       the  GNU  Lesser  General  Public  License  (version  2.1  or any later version) as published by the Free
       Software Foundation.