funcByName

Syntax

funcByName(name)

Arguments

name is a string indicating an operator or a function. The function can be either a built-in function or a user-defined function.

Details

Dynamically execute an operator or a function. It is mainly used in metaprogramming.

Examples

$ def f(x, a, b){
$    return funcByName(x)(a, b)
$ }

$ f("+", 1 2 3, 4 5 6);
[5,7,9]

$ f("sub", 1 8 3, 4 8 6);
[-3,0,-3]

$ f("corr", 1 8 3, 4 8 6);
0.970725

$ def cal(a,b){
$    return pow(a\b,2)
$ }

$ f("cal", 4 8 10, 2 2 2);
[4,16,25]

$ funcByName("call")(sum,1..10);
55