Hi Georg,
The ``printf`` word is a macro. You can see it starts with MACRO:
definition.
That means you can do this to see the code (``quot``) that is generated:
[ "Test\n" printf ] expand-macros
It also means that when you call it like you did, it will essentially
generate and run that quotation.
This is done to allow compile-time expansion of the format string for
performance and stack effect checking.
Best,
John.
On Tue, Mar 3, 2015 at 5:54 AM, Georg Simon <georg.si...@auge.de> wrote:
> Hallo,
>
>
> http://docs.factorcode.org/content/word-printf%2Cformatting.html
> says
> printf ( format-string -- quot )
>
> but in scratchpad
>
> USE: formatting "test\n" printf
>
> works without leaving a quotation on stack.
>
>
> Georg
>
>
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