Mathematica Programming » Code Structure
Mathematica, being primarily a functional programming language, doesn't use standard flow-control techniques such as
etc . to the same degree that a primarily procedural language like python does.
Despite that, these are still useful things to know how to work with. We'll go through them pretty quickly, one-by-one.
Of all of these,
While is likely the most common to be used, although as mentioned previously it can be emulated perhaps more cleanly by
Infinity as the iterator spec.
On the other hand, particularly in the context of
Compile or other cases where a predominantly procedural paradigm is use,
While can be useful.
For is never useful. Any time it could be used
Do would be a better choice.
Break / Continue / Return
For isn't useful, which renders moot the primary use case of
Continue . They can potentially still be useful in
Table , though.
All Mathematica functions have an implicit
Return in them, which makes use of
Return infrequent, but it has its place. Especially when there are multiple possible points of exit from a function
Return can be highly useful.
It also helpfully has a second argument specifying the scope from which the value should be returned, which can allow for somewhat more targeted usage in, say
FixedPoint and other nested functional programming constructs provide support for
Break , and potentially