First-class functions: Difference between revisions
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m →{{header|Ruby}}: Line 9 is now line 6. |
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| Line 478: | Line 478: | ||
foreach (i, f; dir) |
foreach (i, f; dir) |
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writefln("%6.3f", compose!(f, inv[i])(0.5)); |
writefln("%6.3f", compose!(f, inv[i])(0.5)); |
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}</lang> |
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=={{header|Dart}}== |
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<lang dart>cube(x) { return x * x * x; } |
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inv_cube(x) { return Math.pow(x, 1/3); } |
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compo(f1, f2) { |
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return func(x) { return f1(f2(x));}; |
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} |
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main() { |
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var funcs = [Math.sin, Math.exp, cube]; |
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var invs = [Math.asin, Math.log, inv_cube]; |
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for (int i = 0; i < 3; i++) |
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print(compo(funcs[i], invs[i])(1)); |
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}</lang> |
}</lang> |
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