[Python-ideas] Yet Another Switch-Case Syntax Proposal

[Philipp A.]

what y’all are missing about switch/case is that it’s *not* necessarily a
series of comparisons in most languages.

in essence, it’s a hashmap lookup with (in some languages) optional
comparisons.

in python, the most similar thing is something like this:

def branch_2_3():
    spam(1)
    spam(6)

{
    'key1': lambda: eggs += lay_eggs(), #branch 1
    'key2': branch_2_3,
    'key3': branch_2_3,
}[value]()

which is of course completely ugly and unnecessarily complicated for cases
where multiple keys lead to the same branch.
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