Using Fold extended

• Category: Functions - Arrays, Lists, Seqs
• Description: .Fold applies a given function to the collection, threading an accumulator argument through and returning a single value.
• Code:

using System;
using System.Console;
using Nemerle;
using Nemerle.Collections;

def aoList2 = $[i * i, i in [1 .. 5]];
def sum = aoList2.Fold(0, _ + _);

def names = array["A", "man", "landed", "on", "the", "moon"];
def sentence = names.Fold("", (x, acc) => $"$acc $x");
    
WriteLine($"sum = $sum");
WriteLine($"sentence = $sentence")

• Execution Result:

sum = 55
sentence =  A man landed on the moon

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