mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-24 15:54:15 +00:00
67 lines
1.6 KiB
Rust
67 lines
1.6 KiB
Rust
// compile-flags: -Z deduplicate-diagnostics=yes
|
|
|
|
#![warn(unused_imports)]
|
|
|
|
use std::str::*;
|
|
//~^ NOTE `from_utf8` is imported here, but it is a function
|
|
//~| NOTE `from_utf8_mut` is imported here, but it is a function
|
|
//~| NOTE `from_utf8_unchecked` is imported here, but it is a function
|
|
|
|
mod hey {
|
|
pub trait Serialize {}
|
|
pub trait Deserialize {}
|
|
|
|
pub struct X(i32);
|
|
}
|
|
|
|
use hey::{Serialize, Deserialize, X};
|
|
//~^ NOTE `Serialize` is imported here, but it is only a trait, without a derive macro
|
|
//~| NOTE `Deserialize` is imported here, but it is a trait
|
|
//~| NOTE `X` is imported here, but it is a struct
|
|
|
|
#[derive(Serialize)]
|
|
//~^ ERROR cannot find derive macro `Serialize`
|
|
struct A;
|
|
|
|
#[derive(from_utf8_mut)]
|
|
//~^ ERROR cannot find derive macro `from_utf8_mut`
|
|
struct B;
|
|
|
|
#[derive(println)]
|
|
//~^ ERROR cannot find derive macro `println`
|
|
//~| NOTE `println` is in scope, but it is a function-like macro
|
|
struct C;
|
|
|
|
#[Deserialize]
|
|
//~^ ERROR cannot find attribute `Deserialize`
|
|
struct D;
|
|
|
|
#[from_utf8_unchecked]
|
|
//~^ ERROR cannot find attribute `from_utf8_unchecked`
|
|
struct E;
|
|
|
|
#[println]
|
|
//~^ ERROR cannot find attribute `println`
|
|
//~| NOTE `println` is in scope, but it is a function-like macro
|
|
struct F;
|
|
|
|
fn main() {
|
|
from_utf8!();
|
|
//~^ ERROR cannot find macro `from_utf8`
|
|
|
|
Box!();
|
|
//~^ ERROR cannot find macro `Box`
|
|
//~| NOTE `Box` is in scope, but it is a struct
|
|
|
|
Copy!();
|
|
//~^ ERROR cannot find macro `Copy`
|
|
//~| NOTE `Copy` is in scope, but it is a derive macro
|
|
|
|
test!();
|
|
//~^ ERROR cannot find macro `test`
|
|
//~| NOTE `test` is in scope, but it is an attribute
|
|
|
|
X!();
|
|
//~^ ERROR cannot find macro `X`
|
|
}
|