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goto.nimble

# Nim GoTo This implements the `goto` statement of the Nim programming language. The word `label` can be used to create a label, while `goto` or `jmp` can be used to jump to it. ### Example ``` nim import goto proc main = var i = 1 label L1: echo i i += 1 if i < 100: goto L1 main() ``` The word `jmp` can be used instead of `goto`. Their semantics are same. ``` nim import goto proc main = var i = 1 label L1: echo i inc i if i < 100: jmp L1 main() ``` ### How it works As we know, Nim code can be compiled to C. Although Nim itself doesn't have `goto`, we can still put a label in the generated C code. ### Note + As this emits C code, it can only be used with the C-like backends. + The Nim compiler also use labels in the C code. So please never use a label with one or more underscores (`_`) in the name, or the result is unpredictable. + This is unstable.

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