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#![warn(clippy::std_instead_of_core)]
#![allow(unused_imports)]
extern crate alloc;
#[warn(clippy::std_instead_of_core)]
fn std_instead_of_core() {
// Regular import
use std::hash::Hasher;
// Absolute path
use ::std::hash::Hash;
// Don't lint on `env` macro
use std::env;
// Multiple imports
use std::fmt::{Debug, Result};
// Function calls
let ptr = std::ptr::null::<u32>();
let ptr_mut = ::std::ptr::null_mut::<usize>();
// Types
let cell = std::cell::Cell::new(8u32);
let cell_absolute = ::std::cell::Cell::new(8u32);
let _ = std::env!("PATH");
// do not lint until `error_in_core` is stable
use std::error::Error;
// lint items re-exported from private modules, `core::iter::traits::iterator::Iterator`
use std::iter::Iterator;
}
#[warn(clippy::std_instead_of_alloc)]
fn std_instead_of_alloc() {
// Only lint once.
use std::vec;
use std::vec::Vec;
}
#[warn(clippy::alloc_instead_of_core)]
fn alloc_instead_of_core() {
use alloc::slice::from_ref;
}
fn main() {
std_instead_of_core();
std_instead_of_alloc();
alloc_instead_of_core();
}
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