Re: [vim9script] Why is a forward declaration needed?

On 2021-08-19, Bram Moolenaar <Bram@moolenaar.net> wrote:
> You are using "Call" in Expr(), and Expr is used in an expression
> to set "TrailingArg". To be able to check the type there, Expr() is
> compiled, which requires "Call" to exist.

Got it.

> NumberLiteral is defined just before setting "TrailingArg".

Too silly of me not to notice that.

> What is tricky here that in principle a variable needs to be defined
> before used, and when used in a function it should be defined before
> that function. But since compilation is done only when needed, it can
> be defined after the function, so long as it's before compiling it.

Ok, that makes sense.

Thanks,
Life.

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