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rcabral created page: smells-and-heuristics-environment authored by Rene Cabral's avatar Rene Cabral
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smells-and-heuristics-functions.markdown
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...@@ -17,7 +17,7 @@ Functions should have a small number of arguments. No argument is best, followed ...@@ -17,7 +17,7 @@ Functions should have a small number of arguments. No argument is best, followed
Output arguments are counterintuitive. Readers expect arguments to be inputs, not out- puts. If your function must change the state of something, have it change the state of the object it is called on. Output arguments are counterintuitive. Readers expect arguments to be inputs, not out- puts. If your function must change the state of something, have it change the state of the object it is called on.
__Output Arguments__ __Output Arguments (page 45)__
Arguments are most naturally interpreted as inputs to a function. If you have been programming for more than a few years, I’m sure you’ve done a double-take on an argument that was actually an output rather than an input. For example: Arguments are most naturally interpreted as inputs to a function. If you have been programming for more than a few years, I’m sure you’ve done a double-take on an argument that was actually an output rather than an input. For example:
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