Compile-time calculation: Difference between revisions
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You can also calculate all factorials for 1 to 20 before defining fact method : |
You can also calculate all factorials for 1 to 20 before defining fact method : |
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<lang Oforth>20 seq map(#[ seq reduce(#*) ]) Constant new: ALLFACTS |
<lang Oforth>20 seq map(#[ seq reduce(#*) ]) Constant new: ALLFACTS |
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func: fact(n) { ALLFACTS at(n) }</lang> |
func: fact(n) { n ifZero: [ 1 ] else: [ ALLFACTS at(n) ] }</lang> |
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=={{header|OxygenBasic}}== |
=={{header|OxygenBasic}}== |
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