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Clarify that `case_when()` is not a replacement for a simple if/else #7089

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DavisVaughan opened this issue Oct 1, 2024 · 0 comments

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DavisVaughan commented Oct 1, 2024

If you can use a simple if/else statement, you absolutely should.

It will be faster
It is simpler to reason about (there are no vectorized semantics involved)
It matches other languages for this kind of operation
It is "lazy" on the branch that isn't used (this is what many people get tripped up on)

See
#7088
#7082 (comment)

DavisVaughan added the documentation label

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