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But how does that close over other locals? I'll admit I haven't looked too closely, but go defer makes it pretty easy to drop in a lambda. Getting stuff into yo

• eesmith 9y ago
  I'll need to see an example to understand the issue. The idioms between the two languages are different enough that idiomatic Go might be written a different way for idiomatic Python. Remember, "with" isn't always required - you can also write the code using a try/finally.
• masklinn 9y ago
  > But how does that close over other locals? It does not, it works like a C++ destructor, the context management code is static, and anything it needs is provided as a parameter. While "ad-hoc" context managers are possible (and quite trivial in fact): 1. I don't remember ever wanting one 2. they would not be convenient owing to Python's limited lambdas so 3. you'd probably implement them using a ~decorator on a nested function instead which 4. may look quite odd to most Python developers