mirror of https://github.com/rust-lang/rust
40 lines
976 B
Rust
40 lines
976 B
Rust
#![feature(offset_of_enum, offset_of_nested)]
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use std::mem::offset_of;
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mod m {
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#[repr(C)]
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pub struct Foo {
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pub public: u8,
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private: u8,
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}
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#[repr(C)]
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pub struct FooTuple(pub u8, u8);
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#[repr(C)]
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struct Bar {
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pub public: u8,
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private: u8,
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}
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pub enum Baz {
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Var1(Foo),
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Var2(u64),
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}
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}
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fn main() {
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offset_of!(m::Foo, public);
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offset_of!(m::Foo, private); //~ ERROR field `private` of struct `Foo` is private
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offset_of!(m::FooTuple, 0);
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offset_of!(m::FooTuple, 1); //~ ERROR field `1` of struct `FooTuple` is private
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offset_of!(m::Bar, public); //~ ERROR struct `Bar` is private
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offset_of!(m::Bar, private); //~ ERROR struct `Bar` is private
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//~| ERROR field `private` of struct `Bar` is private
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offset_of!(m::Baz, Var1.0.public);
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offset_of!(m::Baz, Var1.0.private); //~ ERROR field `private` of struct `Foo` is private
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offset_of!(m::Baz, Var2.0);
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}
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