mirror of https://github.com/rust-lang/rust
24 lines
660 B
Rust
24 lines
660 B
Rust
struct Rec {
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f: isize
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}
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fn f(p: *const Rec) -> isize {
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// Test that * ptrs do not autoderef. There is a deeper reason for
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// prohibiting this, beyond making unsafe things annoying (which doesn't
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// actually seem desirable to me). The deeper reason is that if you
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// have a type like:
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//
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// enum foo = *foo;
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//
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// you end up with an infinite auto-deref chain, which is
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// currently impossible (in all other cases, infinite auto-derefs
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// are prohibited by various checks, such as that the enum is
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// instantiable and so forth).
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return p.f; //~ ERROR no field `f` on type `*const Rec`
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}
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fn main() {
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}
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