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06991b51ef
* examples/foreach2.m4: Use $0 rather than spelling out name. * examples/foreachq2.m4: Likewise. * examples/forloop2.m4: Likewise. * examples/hanoi.m4: Likewise. * examples/trace.m4: Likewise. * doc/m4.texinfo (Improved forloop): Document advantage of $0. (Improved foreach): Adjust dump from file. Signed-off-by: Eric Blake <ebb9@byu.net>
11 lines
360 B
Plaintext
11 lines
360 B
Plaintext
include(`quote.m4')dnl
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divert(`-1')
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# foreach(x, (item_1, item_2, ..., item_n), stmt)
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# parenthesized list, improved version
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define(`foreach', `pushdef(`$1')_$0(`$1',
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(dquote(dquote_elt$2)), `$3')popdef(`$1')')
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define(`_arg1', `$1')
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define(`_foreach', `ifelse(`$2', `(`')', `',
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`define(`$1', _arg1$2)$3`'$0(`$1', (dquote(shift$2)), `$3')')')
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divert`'dnl
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