take_while

one of the documented procedures in this installation of the ACS

Usage:

take_while p xs

What it does:

returns the longest initial segment of xs whose elements satisfy p

Defined in: /web/philip/tcl/ad-functional.tcl

Source code:


    set index 0    
    foreach x $xs {
	if { ![eval_unary $p $x] } { break }
	incr index
    }
    take $index $xs