2010/11/16 Shaping <shap...@charter.net>

>
> I don't understand above what "quot:" and more generally what "x quot: ( x
> -- )"
>
> as the before-effect of foo is doing.  The colon on the right side of
> "quot:" is
>
> confusing me, because I am trying to read RPN, left to right.  This syntax
>
> makes me want to reverse my reading direction for that expression.  I can't
>
> find any info in Browser on "quot:".
>

http://docs.factorcode.org/content/article-inference-recursive-combinators.html


> Does "Unification" mean "arities of stack variables are determined to be
> equal"?
>
> There is a section in Browser called "Stack effect checking".  What should
> I read
>
> besides this to understand the full significance of the stack-effect
> syntax, what
>
> it can do and not do, and how it affects compiler behavior?
>
http://docs.factorcode.org/content/article-effects-variables.html
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