| Commit message (Collapse) | Author | Age | Files | Lines |
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The nested form based on the reduce concept is more general;
one macro does it all.
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There is no need for __varexpand_simple to carry its own set
of 32 macros, because it's just a special case of
__varexpand_infix, with the same helper macro duplicated as
mac1 and mac2.
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This would affect 15 argument variadic macros, like case
clauses with exactly 15 keys.
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This provides a portable case statement implemented directly
as switch on GNU Awk, and using other approaches on other Awks
that do not have switch.
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