49 lines
797 B
Rust
49 lines
797 B
Rust
// unit-test: ConstProp
|
|
|
|
#![feature(offset_of)]
|
|
|
|
use std::marker::PhantomData;
|
|
use std::mem::offset_of;
|
|
|
|
struct Alpha {
|
|
x: u8,
|
|
y: u16,
|
|
z: Beta,
|
|
}
|
|
|
|
struct Beta(u8, u8);
|
|
|
|
struct Gamma<T> {
|
|
x: u8,
|
|
y: u16,
|
|
_t: T,
|
|
}
|
|
|
|
#[repr(C)]
|
|
struct Delta<T> {
|
|
_phantom: PhantomData<T>,
|
|
x: u8,
|
|
y: u16,
|
|
}
|
|
|
|
// EMIT_MIR offset_of.concrete.ConstProp.diff
|
|
fn concrete() {
|
|
let x = offset_of!(Alpha, x);
|
|
let y = offset_of!(Alpha, y);
|
|
let z0 = offset_of!(Alpha, z.0);
|
|
let z1 = offset_of!(Alpha, z.1);
|
|
}
|
|
|
|
// EMIT_MIR offset_of.generic.ConstProp.diff
|
|
fn generic<T>() {
|
|
let gx = offset_of!(Gamma<T>, x);
|
|
let gy = offset_of!(Gamma<T>, y);
|
|
let dx = offset_of!(Delta<T>, x);
|
|
let dy = offset_of!(Delta<T>, y);
|
|
}
|
|
|
|
fn main() {
|
|
concrete();
|
|
generic::<()>();
|
|
}
|