Function usize_to_u32

regex/src/dfa.rs:1843–1848

(n: usize)

}

fn usize_to_u32(n: usize) -> u32 {
    if (n as u64) > (::std::u32::MAX as u64) {
        panic!("BUG: {} is too big to fit into u32", n)
    }
    n as u32
}

#[allow(dead_code)] // useful for debugging
fn show_state_ptr(si: StatePtr) -> String {