rust/tests/ui/thread_local_initializer_can_be_made_const.rs

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#![warn(clippy::thread_local_initializer_can_be_made_const)]
use std::cell::RefCell;
fn main() {
// lint and suggest const
thread_local! {
static BUF_1: RefCell<String> = RefCell::new(String::new());
}
//~^^ ERROR: initializer for `thread_local` value can be made `const`
// don't lint
thread_local! {
static BUF_2: RefCell<String> = const { RefCell::new(String::new()) };
}
thread_local! {
static SIMPLE:i32 = 1;
}
//~^^ ERROR: initializer for `thread_local` value can be made `const`
// lint and suggest const for all non const items
thread_local! {
static BUF_3_CAN_BE_MADE_CONST: RefCell<String> = RefCell::new(String::new());
static CONST_MIXED_WITH:i32 = const { 1 };
static BUF_4_CAN_BE_MADE_CONST: RefCell<String> = RefCell::new(String::new());
}
//~^^^^ ERROR: initializer for `thread_local` value can be made `const`
//~^^^ ERROR: initializer for `thread_local` value can be made `const`
}