Function composition: Difference between revisions
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(Update Lang example: Use new operation parser syntax and add print function calls) |
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# In Lang this task can be achieved with the concat operator |
# In Lang this task can be achieved with the concat operator |
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parser.op(fp.g ||| fp.f)($x) # Prints 21 [Internal execution: fp.f(fp.g($x))] |
fn.println(parser.op((fp.g ||| fp.f)($x))) # Prints 21 [Internal execution: fp.f(fp.g($x))] |
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# Creating a user-defined function doing the same thing is a bit more difficult |
# Creating a user-defined function doing the same thing is a bit more difficult |
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} |
} |
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fp.compose(fp.f, fp.g)($x) # Prints also 21 |
fn.println(fp.compose(fp.f, fp.g)($x)) # Prints also 21 |
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</syntaxhighlight> |
</syntaxhighlight> |
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