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