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default Order dec
$include <prelude.sail>
union myunion = {
MyConstr : {'n, 'n in {8,16}. (int('n),bits('n))}
}
val make : bits(2) -> myunion
function make(v) =
let r : {'n, 'n in {8,16}. (int('n),bits('n))} = match v {
0b00 => ( 8, 0x12),
0b01 => (16,0x1234),
0b10 => ( 8, 0x56),
0b11 => (16,0x5678)
} in MyConstr(r)
val use : myunion -> bits(32)
function use(MyConstr(n,v)) = sail_zero_extend(v,32)
val run : unit -> unit effect {escape}
function run () = {
assert(use(make(0b00)) == 0x00000012);
assert(use(make(0b01)) == 0x00001234);
assert(use(make(0b10)) == 0x00000056);
assert(use(make(0b11)) == 0x00005678);
}
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