match given argument against different values and execute corresponding block

Parameters

case argument :any
     matches :dictionary :block

Returns

Examples

copy
x: 2

; the main block is always evaluated!
case x [
    1   -> print "x is one!"
    2   -> print "x is two!"
    any -> print "x is none of the above"
]
; x is two!

copy
key: "one"
case key [
    "one" 1,        ; we can also return
    "two" 2         ; simple constant values directly
]
; => 2

copy
case "hello" #[
    hello: "hola"
    adios: "goodbye"
]
; => "hola"

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