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fix lazy-lists so contrib/tetris works :)

erg 2006-11-04 17:07:17 +00:00
parent 39bdbfc946
commit 8e2f99aa76
1 changed files with 3 additions and 24 deletions
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25
contrib/lazy-lists/examples.factor
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@ -1,27 +1,6 @@
! Rewritten by Matthew Willis, July 2006 ! Rewritten by Matthew Willis, July 2006
!
! Copyright (C) 2004 Chris Double. ! Copyright (C) 2004 Chris Double.
! ! See http://factorcode.org/license.txt for BSD license.
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions are met:
!
! 1. Redistributions of source code must retain the above copyright notice,
! this list of conditions and the following disclaimer.
!
! 2. Redistributions in binary form must reproduce the above copyright notice,
! this list of conditions and the following disclaimer in the documentation
! and/or other materials provided with the distribution.
!
! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
USING: lazy-lists math kernel sequences test ; USING: lazy-lists math kernel sequences test ;
IN: lazy-examples IN: lazy-examples
@ -39,7 +18,7 @@ IN: lazy-examples
#! Return true if a is divisible by b #! Return true if a is divisible by b
mod 0 = ; mod 0 = ;
: filter-multiples ( n list - list ) : filter-multiples ( n list -- list )
#! Given a lazy list of numbers, filter multiples of n #! Given a lazy list of numbers, filter multiples of n
swap [ divisible-by? not ] curry lsubset ; swap [ divisible-by? not ] curry lsubset ;