45 lines
1.4 KiB
Rust
45 lines
1.4 KiB
Rust
#![warn(clippy::thread_local_initializer_can_be_made_const)]
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use std::cell::RefCell;
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fn main() {
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// lint and suggest const
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thread_local! {
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static BUF_1: RefCell<String> = const { RefCell::new(String::new()) };
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}
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//~^^ ERROR: initializer for `thread_local` value can be made `const`
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// don't lint
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thread_local! {
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static BUF_2: RefCell<String> = const { RefCell::new(String::new()) };
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}
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thread_local! {
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static SIMPLE:i32 = const { 1 };
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}
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//~^^ ERROR: initializer for `thread_local` value can be made `const`
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// lint and suggest const for all non const items
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thread_local! {
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static BUF_3_CAN_BE_MADE_CONST: RefCell<String> = const { RefCell::new(String::new()) };
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static CONST_MIXED_WITH:i32 = const { 1 };
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static BUF_4_CAN_BE_MADE_CONST: RefCell<String> = const { RefCell::new(String::new()) };
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}
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//~^^^^ ERROR: initializer for `thread_local` value can be made `const`
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//~^^^ ERROR: initializer for `thread_local` value can be made `const`
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thread_local! {
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static PEEL_ME: i32 = const { 1 };
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//~^ ERROR: initializer for `thread_local` value can be made `const`
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static PEEL_ME_MANY: i32 = const { { let x = 1; x * x } };
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//~^ ERROR: initializer for `thread_local` value can be made `const`
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}
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}
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#[clippy::msrv = "1.58"]
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fn f() {
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thread_local! {
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static TLS: i32 = 1;
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}
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}
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