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Crypto (#19): add the OS cryptographically-secure random surface (random_bytes/random_hex/random_u32, reading /dev/urandom) and a standard base64 encoder, completing the library alongside the existing SHA-256/ HMAC-SHA256/verify_hmac/hex/ct_equal. All pure integer IR, C-free. Uuid (#16): a new namespace for stable, collision-free IDs — v4 (random) and v7 (time-ordered) generation, plus parse/is_valid/to_text/equals/nil. UUIDs are canonical lowercase 36-char strings; v4 and v7's random tail draw from the crypto CSPRNG, so both carry the documented determinism caveat (mint at the edges, never inside lockstep simulation). Reuses the crypto prelude's fn_secure_bytes / fn_hex_encode. - examples/library/{crypto,uuid}.ludic: known-answer vectors (SHA-256, HMAC, base64 per RFC 4231/4648) and structural invariants (uuid version/variant bits, parse/equals), wired into `x test` (now 51 passed). - docs: per-symbol pages for every new method + a new Uuid section; inventory and impl-vs-docs coverage check pass. - seed regenerated; `x bootstrap-cfree` fixpoint holds. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
27 lines
819 B
Markdown
27 lines
819 B
Markdown
---
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id: uuid-equals
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name: Uuid.equals
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category: uuid
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kind: namespace-method
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tokens: Uuid.equals
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sig: Uuid.equals(a, b) -> bool
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tip: Case-insensitive UUID equality.
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order: 8
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ns: Uuid
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member: equals
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---
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Compares two UUIDs for equality, ignoring case. UUIDs generated by this library are always lowercase, so a plain <code>==</code> works between them — but a UUID that arrived from another system may be upper- or mixed-case, and <code>equals</code> matches it correctly without you having to normalise first. Values of different length are never equal.
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Parameters:
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- `a`, `b` — the UUID strings to compare
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```ludic
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program Eq {
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entry {
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let lo = "550e8400-e29b-41d4-a716-446655440000"
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let up = "550E8400-E29B-41D4-A716-446655440000"
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if Uuid.equals(lo, up) { print(1) } # case-insensitive
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}
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}
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```
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