MoonBit crc32: provide simple crc32 hash algorithm.

crc32

hash

algorithm

moonbit

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Author

gmlewis

Version

0.8.18

License

Apache-2.0

Repository

github.com/gmlewis/moonbit-crc32

Last updated

18 hours ago

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#gmlewis/crc32

This is a simple crc32 hash algorithm based on the Go Rosetta Stone implementation found here: https://rosettacode.org/wiki/CRC-32 which has the copyright notice:

Content is available under GNU Free Document License 1.3 unless otherwise noted.

#Status

The code has been updated to support compiler:

$ moon version --all
moon 0.1.20260827 (d0aaa07 2026-08-27) ~/.moon/bin/moon
moonc v0.10.11+8f8e8db1e (2026-08-27) ~/.moon/bin/moonc
moonrun 0.1.20260827 (d0aaa07 2026-08-27) ~/.moon/bin/moonrun

HashFunc

source

pub(open) trait HashFunc {
  fn name(Self) -> String
  fn write(Self, Byte) -> Unit
  fn check_sum(Self) -> String
}

HashFunc represents a hash algorithm like @crc32, @md5, or @sha256.

Digest

source

pub(all) struct Digest {
  crc : UInt
  name : String
}

@crc32.Digest implements the 32-bit cyclic redundancy check, or CRC-32, checksum. See https://en.wikipedia.org/wiki/Cyclic_redundancy_check for information. This package is based on the Go Rosetta Stone implementation found here: https://rosettacode.org/wiki/CRC-32

impl HashFunc for Digest

fn check_sum(self : Digest) -> String

source

check_sum returns the final crc32 as a hex string.

fn name(self : Digest) -> String

source

fn write(self : Digest, b : Byte) -> Unit

source

write writes a byte to the digest.

Digest::digest

source

fn Digest::digest(self : Digest) -> UInt

digest returns the final crc32 as a UInt.

Digest::new

source

fn Digest::new() -> Digest

Digest::new returns a new, reset Digest, ready to sum.

Source Files

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crc32

#gmlewis/crc32

#Status

#HashFunc

#Digest

#Digest::digest

#Digest::new

Source Files

HashFunc

Digest

Digest::digest

Digest::new