Mercurial > MadButterfly

view tools/foreach.m4 @ 1156:ad9c44a08645

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If an object does not exist in the destination group, we should duplicate it.
author wycc
date Mon, 27 Dec 2010 22:57:52 +0800
parents f4b792afa74e
children
line wrap: on
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