factor/extra/math/derivatives/syntax/syntax.factor

10 lines
334 B
Factor

! Copyright (C) 2009 Jason W. Merrill.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel parser words effects accessors sequences
math.ranges ;
IN: math.derivatives.syntax
SYNTAX: DERIVATIVE: scan-object dup stack-effect in>> length [1,b]
[ drop scan-object ] map
"derivative" set-word-prop ;