funcByName

funcByName(name)

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

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

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

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

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

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

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

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

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