Function int_to_check

crates/stdlib/src/lzma.rs:112–123

(check: i32)

    }

    fn int_to_check(check: i32) -> Option<Check> {
        if check == -1 {
            return Some(Check::Crc64);
        }
        match check {
            CHECK_NONE => Some(Check::None),
            CHECK_CRC32 => Some(Check::Crc32),
            CHECK_CRC64 => Some(Check::Crc64),
            CHECK_SHA256 => Some(Check::Sha256),
            _ => None,
        }
    }

    fn u32_to_mode(val: u32) -> Option<Mode> {
        match val as i32 {