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annotate tools/foreach.m4 @ 92:3f619ae03678

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Improve calcuator example program.
author Thinker K.F. Li <thinker@branda.to>
date Sun, 24 Aug 2008 00:18:59 +0800
parents f4b792afa74e
children
rev   line source
63
f4b792afa74e m4 translator
Thinker K.F. Li <thinker@branda.to>
parents:
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1 divert([-1])
f4b792afa74e m4 translator
Thinker K.F. Li <thinker@branda.to>
parents:
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2
f4b792afa74e m4 translator
Thinker K.F. Li <thinker@branda.to>
parents:
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3 define([_arg1], [$1])
f4b792afa74e m4 translator
Thinker K.F. Li <thinker@branda.to>
parents:
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4
f4b792afa74e m4 translator
Thinker K.F. Li <thinker@branda.to>
parents:
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5 define([_foreach], [ifelse([$2], [()], [],
f4b792afa74e m4 translator
Thinker K.F. Li <thinker@branda.to>
parents:
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6 [define([$1], _arg1$2)$3[]_foreach([$1], (shift$2), [$3])])])
f4b792afa74e m4 translator
Thinker K.F. Li <thinker@branda.to>
parents:
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7
f4b792afa74e m4 translator
Thinker K.F. Li <thinker@branda.to>
parents:
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8 define([foreach], [pushdef([$1])_foreach($@)popdef([$1])])
f4b792afa74e m4 translator
Thinker K.F. Li <thinker@branda.to>
parents:
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9
f4b792afa74e m4 translator
Thinker K.F. Li <thinker@branda.to>
parents:
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10 divert[]dnl