support one liners with `#? braces` syntax about inim HOT 6 CLOSED

@AndreiRegiani I think this should be closed because syntax skins were removed from Nim (devel), so they'll not be available in the next Nim stable version.

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@Yardanico Thanks for the insight!

@timotheecour from your example, currently we can do it:

>>> proc fun(a: int): auto = return a*2
>>> fun(10)
20 : int

Can also do multiple statements using ;

>>> echo 1; echo 2; echo 3
1
2
3

e.g.

>>> proc moreFun(a, b: int): auto = echo 1; echo 2; echo 3; return a * b
>>> moreFun(2, 5)
10 : int

it seems we don't need syntax skins, right?

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@AndreiRegiani well, you wouldn't be able to write two procedures on one line, but I don't think someone will try that.

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I think with arrow function from future you can write 2 proc on 1 line.

I didnt know skins gonna be removed.

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@juancarlospaco future module was renamed to sugar because it's just sugar. And no, you can't write two procs on one line with it.

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This should be closed, the braces skin is dead.

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