21 lines
520 B
Plaintext
21 lines
520 B
Plaintext
// Phase 3 (xx-via-Into): a user-defined `impl Into(Target) for Source`
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// reaches the xx operator through compile-time dispatch. The compiler
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// monomorphises `convert` for the (Source, Target) pair and emits a
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// direct call — no vtable, identical to a hand-written call.
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#import "modules/std.sx";
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MyString :: struct { tag: s64 = 0; }
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impl Into(MyString) for s64 {
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convert :: (self: s64) -> MyString {
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.{ tag = self };
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}
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}
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main :: () -> s32 {
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x : MyString = xx 42;
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print("tag = {}\n", x.tag);
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0;
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}
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