Method drop

tests/mcp_suite/mcp_handler_test.rs:136–141

(&mut self)

impl Drop for GlobalDbEnvGuard {
    fn drop(&mut self) {
        match self.previous.take() {
            Some(value) => std::env::set_var("TRACEDECAY_GLOBAL_DB", value),
            None => std::env::remove_var("TRACEDECAY_GLOBAL_DB"),
        }
    }
}

struct HomeEnvGuard {