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So it is more about multiple returns, versus setting some local return variable and returning in one place. However, setting that return variable can be recogn

So it is more about multiple returns, versus setting some local return variable and returning in one place. However, setting that return variable can be recognized as a simulated return. If we know that after "ret = 42", there are no other state changes; that the whole if/else mess will drop out to the end where there is a "return ret", then we can just read it as "return 42".

fenomas 2y ago
Sure, in the narrow case where the function only calculates a single return value and has no side effects.
- kazinator 2y ago
  Or where it produces an effect (or effect group) in every case just before returning, without multiple effects interspersed among multiple condition tests.
  - fenomas 2y ago
    That's isomorphic to what I said, so... also yes :D