Thanks for your answer Anton. But what does the ..a exactly mean? It is a stack effect row variable? Is there a connection with the number of "arguements" it stands for?
Greetings, Fabian Anton Gorenko schrieb: > if '?' is t, not '..a'. > http://docs.factorcode.org/content/article-effects.html > http://docs.factorcode.org/content/article-effects-variables.html > > 'true' and 'false' quotations have same stack effects, they take 'a' > (a >= 0) values from the stack and leave 'b' (b >= 0) values on the > stack. > So '3 2 t [ + ] [ - ] if' is correct ('true' and 'false' have ( x x -- > x ) stack effect, 'if' has ( x x ? true: ( x x -- x ) false: ( x x -- > x ) -- x ) stack effect in this case), but > '3 2 t [ + + ] [ - ] if', '3 t [ + ] [ - ] if', '3 2 t [ + ] [ 1 ] > if', etc. are incorrect. > > 2010/9/18 Fabian Boucsein <fabian.boucs...@googlemail.com>: > >> Hello Factor mailing list, >> >> i try to understand the definition of "if" in the factor handbook: >> if ( ..a ? true: ( ..a -- ..b ) false: ( ..a -- ..b) -- ..b) >> >> I read if ..a is true execute the true codeblock else the false block >> which is quite clear but what does the last ..b stands for? >> Thanks for your help. >> >> Fabian >> >> >> ------------------------------------------------------------------------------ >> Start uncovering the many advantages of virtual appliances >> and start using them to simplify application deployment and >> accelerate your shift to cloud computing. >> http://p.sf.net/sfu/novell-sfdev2dev >> _______________________________________________ >> Factor-talk mailing list >> Factor-talk@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/factor-talk >> >> > > ------------------------------------------------------------------------------ > Start uncovering the many advantages of virtual appliances > and start using them to simplify application deployment and > accelerate your shift to cloud computing. > http://p.sf.net/sfu/novell-sfdev2dev > _______________________________________________ > Factor-talk mailing list > Factor-talk@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/factor-talk > > ------------------------------------------------------------------------------ Start uncovering the many advantages of virtual appliances and start using them to simplify application deployment and accelerate your shift to cloud computing. http://p.sf.net/sfu/novell-sfdev2dev _______________________________________________ Factor-talk mailing list Factor-talk@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/factor-talk
