combinators.extras: adding 4bi* and 4bi@.

2013-10-01 14:02:56 -07:00 · 2013-10-01 14:02:56 -07:00 · bd55cd3074
parent 1cfbb02571
commit bd55cd3074
1 changed files with 6 additions and 0 deletions
--- a/extra/combinators/extras/extras.factor
+++ b/extra/combinators/extras/extras.factor
@ -30,6 +30,12 @@ MACRO: cleave-array ( quots -- )
 : 4bi ( w x y z p q -- )
    [ 4keep ] dip call ; inline

+: 4bi* ( s t u v w x y z p q -- )
+    [ 4dip ] dip call ; inline
+
+: 4bi@ ( s t u v w x y z quot -- )
+    dup 4bi* ; inline
+
 : 4tri ( w x y z p q r -- )
    [ [ 4keep ] dip 4keep ] dip call ; inline