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sx/examples/30-union.sx
2026-02-14 13:17:22 +02:00

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#import "modules/std.sx";
Overlay :: union {
f: f32;
i: s32;
}
Vec2 :: union {
data: [2]f32;
struct { x, y: f32; };
}
main :: () {
// Basic union: type punning
o :Overlay = ---;
o.f = 3.14;
print("f={}\n", o.f);
print("i={}\n", o.i);
// Union with anonymous struct: member promotion
v :Vec2 = ---;
v.x = 1.0;
v.y = 2.0;
print("x={}\n", v.x);
print("y={}\n", v.y);
print("data[0]={}\n", v.data[0]);
print("data[1]={}\n", v.data[1]);
}