5379fc1b28
allow condition to be a block: by calling visit_expr of the visitor directly on the condition instead of walk_expr on the whole expression, we bypass the match to ExprWhile that calls visit_expr on the condition and visit_block on the body. This allow to re-enable visit_block in the visitor, as it won't be called on the while body allow condition to use static variables: maintain a list of static variables used, and if they are mutable
29 lines
625 B
Rust
29 lines
625 B
Rust
#![allow(dead_code)]
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/// Issue: https://github.com/rust-lang-nursery/rust-clippy/issues/2596
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pub fn loop_on_block_condition(u: &mut isize) {
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while { *u < 0 } {
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*u += 1;
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}
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}
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/// https://github.com/rust-lang-nursery/rust-clippy/issues/2584
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fn loop_with_unsafe_condition(ptr: *const u8) {
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let mut len = 0;
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while unsafe { *ptr.offset(len) } != 0 {
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len += 1;
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}
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}
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/// https://github.com/rust-lang-nursery/rust-clippy/issues/2710
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static mut RUNNING: bool = true;
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fn loop_on_static_condition() {
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unsafe {
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while RUNNING {
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RUNNING = false;
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}
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}
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}
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fn main() {}
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