# This file is part of NIT ( http://www.nitlanguage.org ). # # Copyright 2004-2008 Jean Privat <jean@pryen.org> # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # A procedural program (without explicit class definition). # This program manipulates arrays of integers. module procedural_array # The sum of the elements of `a'. # Uses a 'for' control structure. fun array_sum(a: Array[Int]): Int do var sum = 0 for i in a do sum = sum + i end return sum end # The sum of the elements of `a' (alternative version). # Uses a 'while' control structure. fun array_sum_alt(a: Array[Int]): Int do var sum = 0 var i = 0 while i < a.length do sum = sum + a[i] i = i + 1 end return sum end # The main part of the program. var a = [10, 5, 8, 9] print(array_sum(a)) print(array_sum_alt(a))