rust-clippy/tests/ui/upper_case_acronyms.rs

#![warn(clippy::upper_case_acronyms)]

struct HTTPResponse; // not linted by default, but with cfg option

struct CString; // not linted

enum Flags {
    NS, // not linted
    CWR,
    ECE,
    URG,
    ACK,
    PSH,
    RST,
    SYN,
    FIN,
}

struct GCCLLVMSomething; // linted with cfg option, beware that lint suggests `GccllvmSomething` instead of
                         // `GccLlvmSomething`

fn main() {}