Lists and Folding

• Category: Lists, Tuples and Options
• Description: This sample shows simple uses of 'Fold' to accumulate a result over a list
• Code:

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

def data = [("Cats", 4),
            ("Dogs", 5),
            ("Mice", 3),
            ("Elephants", 2)];
def count = data.Fold(0, ((_, nm), acc) => acc + nm);
WriteLine($"Total number of animals: $count")

• Execution Result:

Total number of animals: 14

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