2swap apply
; make-primitive apply
-:noname ( args -- result )
- make-continuation nil cons
- 2swap apply
+:noname ( proc -- result )
+ make-continuation
+
+ ( Note that we get to this point either when
+ make-continuation is originally called or when
+ restore-continuation is called. Since we don't
+ want to call proc again following a restore,
+ we use the boolean values placed on the parameter
+ stack by make-continuation and restore-continuation
+ to detect which call got us here and act accordingly. )
+
+ drop if
+ nil cons
+ 2swap apply
+ else
+ 2swap 2drop
+ then
; 1 make-fa-primitive call-with-current-continuation