You also need to call `esc()` on any symbol you want to "leak" into the
outer scope. Otherwise, it will be turned into a unique symbol name visible
only to the code generated by that macro.


On Sat, Sep 12, 2015 at 5:45 PM Diego Javier Zea <diego...@gmail.com> wrote:

> I don't understand why am I getting this error? My macros can not find the
> variables inside *let* blocks. How Can I fix it? Thanks in advance
>
> julia> macro example(var)
>        dump(var)
>        @eval dump($var)
>        end
>
> julia> msg = "hola"
> "hola"
>
> julia> @example msg
> Symbol msg
> ASCIIString "hola"
>
> julia> let m = "hola"
>        @example m
>        end
> Symbol m
> ERROR: UndefVarError: m not defined
>  in eval_user_input at REPL.jl:64
>  [inlined code] from REPL.jl:93
>  in anonymous at task.jl:68
>
>
>
>
>

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