RosettaCodeData/Task/Conditional-structures/Langur/conditional-structures-4.la...

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switch x, y, z {
case true: ...
# any are true
case false, _: ...
# x == false
case _, null, true: ...
# y == null or z == true
case xor _, true, true: ...
# y == true xor z == true
}
switch 0 {
case x, y: ...
# x or y equals 0
...
}
switch[and] x, y, z {
case true: ...
# all are true
case false, _: ...
# x == false
case _, null, true: ...
# y == null and z == true
}