@mitchellh shadowing and unused variables, to name a couple issues. Plus the implicit `this`. You have to check so many things to be sure that the cut and paste does what you think it does
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@andrewrk @mitchellh The compiler will error out on unused or shadowed variables at least.
@aachrisg @andrewrk @mitchellh
-Wunused-variable is a warning in C/C++
@mitchellh oh yeah and I just remembered importing... which has side effects to worry about when you cut+paste between files