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Diffstat (limited to 'examples/foreach2.m4')
| -rw-r--r-- | examples/foreach2.m4 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/examples/foreach2.m4 b/examples/foreach2.m4 new file mode 100644 index 0000000..74d00fb --- /dev/null +++ b/examples/foreach2.m4 @@ -0,0 +1,10 @@ +include(`quote.m4')dnl +divert(`-1') +# foreach(x, (item_1, item_2, ..., item_n), stmt) +# parenthesized list, improved version +define(`foreach', `pushdef(`$1')_$0(`$1', + (dquote(dquote_elt$2)), `$3')popdef(`$1')') +define(`_arg1', `$1') +define(`_foreach', `ifelse(`$2', `(`')', `', + `define(`$1', _arg1$2)$3`'$0(`$1', (dquote(shift$2)), `$3')')') +divert`'dnl |