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author | Bryan Newbold <bnewbold@robocracy.org> | 2017-02-20 00:05:25 -0800 |
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committer | Bryan Newbold <bnewbold@robocracy.org> | 2017-02-20 00:05:25 -0800 |
commit | 8ffbc2df0fde83082610149d24e594c1cd879f4a (patch) | |
tree | a2be9aad5101c5e450ad141d15c514bc9c2a2963 /mulapply.scm | |
download | slib-8ffbc2df0fde83082610149d24e594c1cd879f4a.tar.gz slib-8ffbc2df0fde83082610149d24e594c1cd879f4a.zip |
Import Upstream version 2a6upstream/2a6
Diffstat (limited to 'mulapply.scm')
-rw-r--r-- | mulapply.scm | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/mulapply.scm b/mulapply.scm new file mode 100644 index 0000000..d696ee2 --- /dev/null +++ b/mulapply.scm @@ -0,0 +1,28 @@ +; "mulapply.scm" Redefine APPLY take more than 2 arguments. +;Copyright (C) 1991 Aubrey Jaffer +; +;Permission to copy this software, to redistribute it, and to use it +;for any purpose is granted, subject to the following restrictions and +;understandings. +; +;1. Any copy made of this software must include this copyright notice +;in full. +; +;2. I have made no warrantee or representation that the operation of +;this software will be error-free, and I am under no obligation to +;provide any services, by way of maintenance, update, or otherwise. +; +;3. In conjunction with products arising from the use of this +;material, there shall be no use of my name in any advertising, +;promotional, or sales literature without prior written consent in +;each case. + +(define two-arg:apply apply) +(define apply + (lambda args + (two-arg:apply (car args) (apply:append-to-last (cdr args))))) + +(define (apply:append-to-last lst) + (if (null? (cdr lst)) + (car lst) + (cons (car lst) (apply:append-to-last (cdr lst))))) |