63 lines
1.1 KiB
Rust
63 lines
1.1 KiB
Rust
// check-pass
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// compile-flags: -Z print-vtable-sizes
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#![crate_type = "lib"]
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trait A<T: help::V>: AsRef<[T::V]> + AsMut<[T::V]> {}
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trait B<T>: AsRef<T> + AsRef<T> + AsRef<T> + AsRef<T> {}
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trait C {
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fn x() {} // not object safe, shouldn't be reported
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}
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// This does not have any upcasting cost,
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// because both `Send` and `Sync` are traits
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// with no methods
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trait D: Send + Sync + help::MarkerWithSuper {}
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// This can't have no cost without reordering,
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// because `Super::f`.
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trait E: help::MarkerWithSuper + Send + Sync {}
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trait F {
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fn a(&self);
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fn b(&self);
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fn c(&self);
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fn d() -> Self
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where
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Self: Sized;
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}
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trait G: AsRef<u8> + AsRef<u16> + help::MarkerWithSuper {
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fn a(&self);
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fn b(&self);
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fn c(&self);
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fn d(&self);
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fn e(&self);
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fn f() -> Self
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where
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Self: Sized;
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}
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// Traits with the same name
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const _: () = {
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trait S {}
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};
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const _: () = {
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trait S {}
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};
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mod help {
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pub trait V {
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type V;
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}
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pub trait MarkerWithSuper: Super {}
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pub trait Super {
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fn f(&self);
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}
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}
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