25 lines
360 B
Rust
25 lines
360 B
Rust
type ctxt = { v: uint };
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trait get_ctxt {
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fn get_ctxt() -> &self/ctxt;
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}
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type has_ctxt = { c: &ctxt };
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impl has_ctxt: get_ctxt {
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fn get_ctxt() -> &self/ctxt {
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self.c
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}
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}
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fn get_v(gc: get_ctxt) -> uint {
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gc.get_ctxt().v
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}
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fn main() {
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let ctxt = { v: 22u };
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let hc = { c: &ctxt };
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assert get_v(hc as get_ctxt) == 22u;
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}
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