tildefriends/deps/libuv/m4/as_case.m4

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# AS_CASE(WORD, [PATTERN1], [IF-MATCHED1]...[DEFAULT])
# ----------------------------------------------------
# Expand into
# | case WORD in
# | PATTERN1) IF-MATCHED1 ;;
# | ...
# | *) DEFAULT ;;
# | esac
m4_define([_AS_CASE],
[m4_if([$#], 0, [m4_fatal([$0: too few arguments: $#])],
[$#], 1, [ *) $1 ;;],
[$#], 2, [ $1) m4_default([$2], [:]) ;;],
[ $1) m4_default([$2], [:]) ;;
$0(m4_shiftn(2, $@))])dnl
])
m4_defun([AS_CASE],
[m4_ifval([$2$3],
[case $1 in
_AS_CASE(m4_shift($@))
esac])])