66 lines
1.2 KiB
Standard ML
Executable file
66 lines
1.2 KiB
Standard ML
Executable file
#!/usr/bin/env fun
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/*
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* This file is part of the Fun programming language.
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* https://hanez.org/project/fun/
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*
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* Copyright 2025 Johannes Findeisen <you@hanez.org>
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* Licensed under the terms of the ISC license.
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* https://opensource.org/license/isc-license-txt
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*/
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// for-in over an array literal
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for x in [1, 2, 3]
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print(x) // prints: 1, then 2, then 3
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// for-in over a named array
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arr = [10, 20, 30]
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for x in arr
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print(x) // prints: 10, then 20, then 30
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// nested arrays: iterate rows, then elements
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matrix = [[1, 2], [3, 4]]
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for row in matrix
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print(row) // prints: [1, 2] then [3, 4]
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for v in row
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print(v) // prints: 1, 2, 3, 4
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// iterate over an array expression (concatenation)
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for v in arr + [40, 50]
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print(v) // prints: 10, 20, 30, 40, 50
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// iterate over a slice (end = -1 means till the end)
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for v in arr[1:-1]
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print(v) // prints: 20, 30
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// iterate over a function result
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fun make()
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return [7, 9, 11]
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for v in make()
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print(v) // prints: 7, 9, 11
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/* Expected output:
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1
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2
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3
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10
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20
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30
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[1, 2]
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1
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2
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[3, 4]
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3
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4
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10
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20
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30
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40
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50
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20
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30
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7
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9
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11
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*/
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