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#![deny(dead_code)]
//~^ NOTE: the lint level is defined here
use std::marker::PhantomData;
const LEN: usize = 4;
struct UnusedAtTheEnd(i32, f32, [u8; LEN], String, u8);
//~^ ERROR:fields `1`, `2`, `3`, and `4` are never read
//~| NOTE: fields in this struct
//~| HELP: consider removing these fields
struct UnusedJustOneField(i32);
//~^ ERROR: field `0` is never read
//~| NOTE: field in this struct
//~| HELP: consider removing this field
struct UnusedInTheMiddle(i32, f32, String, u8, u32);
//~^ ERROR: fields `1`, `2`, and `4` are never read
//~| NOTE: fields in this struct
//~| HELP: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
struct GoodUnit(());
struct GoodPhantom(PhantomData<i32>);
struct Void;
struct GoodVoid(Void);
fn main() {
let u1 = UnusedAtTheEnd(42, 3.14, [0, 1, 2, 3], "def".to_string(), 4u8);
let _ = u1.0;
let _ = UnusedJustOneField(42);
let u2 = UnusedInTheMiddle(42, 3.14, "def".to_string(), 4u8, 5);
let _ = u2.0;
let _ = u2.3;
let gu = GoodUnit(());
let gp = GoodPhantom(PhantomData);
let gv = GoodVoid(Void);
let _ = (gu, gp, gv);
}
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