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In Python you can't have "if x = 3:" ... that's a syntax error. And Python also uses "==" for equality comparison.

There, problem solved.

I would solve the problem in Obj-C by introducing a directive on the file-level for the newer syntax, like how they did it in F# with the "#light" directive. And when a file is compiled with that directive, the compiler could trigger compile-time errors for those obviously dangerous constructs.



I'd like to provide a counter-example here: Ruby allows this construct, enabling me to write

x = Post.first ? do_foo(x) : do_bar # does the assignment, then evaluates the result

A nice shorthand in my opinion, so the python way isn't a cure-all :)


I think you mean this

(x = Post.first) ? do_foo(x) : do_bar




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