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std/checksum ​

CRC-32 (IEEE, the one gzip, PNG and zip use) and Adler-32 (zlib). The CRC is computed bitwise with no lookup table: constant work per byte, which suits worst-case-time analysis and small bare-metal targets. Values are returned as i64 held to 32 bits.

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from "std/checksum" import { Checksum }

Example ​

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print(Checksum.crc32("hello"))     // 907060870
print(Checksum.adler32("hello"))   // 103547413

API reference ​

Checksum ​

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pub struct Checksum

Checksum namespace — Checksum.crc32(data), Checksum.adler32(data).

Checksum.adler32 ​

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fn Checksum.adler32(data: &string): i64

Checksum.crc32 ​

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fn Checksum.crc32(data: &string): i64