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view tools/foreach.m4 @ 147:995ee8fd5f1a

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Use local static variable to hold position array to reduce using malloc().
author Thinker K.F. Li <thinker@branda.to>
date Thu, 25 Sep 2008 10:10:32 +0800
parents f4b792afa74e
children
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line source

divert([-1])

define([_arg1], [$1])

define([_foreach], [ifelse([$2], [()], [],
[define([$1], _arg1$2)$3[]_foreach([$1], (shift$2), [$3])])])

define([foreach], [pushdef([$1])_foreach($@)popdef([$1])])

divert[]dnl