33 lines
553 B
Rust
33 lines
553 B
Rust
|
#![no_std]
|
||
|
|
#![deny(unsafe_code)]
|
||
|
|
|
||
|
|
#[macro_use]
|
||
|
|
extern crate static_assertions;
|
||
|
|
|
||
|
|
#[allow(dead_code)]
|
||
|
|
enum Foo {
|
||
|
|
A { x: u8, y: u8 },
|
||
|
|
B(u8),
|
||
|
|
}
|
||
|
|
|
||
|
|
assert_fields!(Foo::A: x);
|
||
|
|
assert_fields!(Foo::A: x, x);
|
||
|
|
assert_fields!(Foo::A: x, y, x);
|
||
|
|
|
||
|
|
// TODO: Make tuple field access possible
|
||
|
|
// assert_fields!(Foo::B, 0);
|
||
|
|
|
||
|
|
mod m {
|
||
|
|
#[allow(dead_code)]
|
||
|
|
pub struct Bar<T: ?Sized> {
|
||
|
|
pub nul: (),
|
||
|
|
pub inner: T,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#[allow(dead_code)]
|
||
|
|
use m::Bar as Baz;
|
||
|
|
|
||
|
|
assert_fields!(m::Bar<str>: inner, nul);
|
||
|
|
assert_fields!(Baz<dyn Send>: inner, nul);
|