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Orkuncakilkaya 790eda6f73
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feat(types): option (some/none) safety type (#53) 
Types phase 3 — the option/result safety pair. result/ok/err/try shipped in
#46; this adds its companion option:

- some(v)   -> option   (present value; any i32-width scalar)
- none()    -> option   (empty; no magic -1 sentinel)
- is_some / is_none -> bool
- unwrap_or(o, fallback) -> int

A heap %Option = { i32 present, i32 value }, bare builtins guarded by find_fn
(a user fn of the same name still wins), gated by g_uses_option so unused
programs compile byte-identically — same idiom as result.

Wired: emit_call codegen + %Option decl (emit_decl) + g_uses_option (emit_core),
reseeded seed, vocabulary sync (header/JetBrains/TextMate), builtin docs +
inventory, and a self-asserting example (examples/library/optionresult.ludic +
feat_case). All suites green incl. golden renders byte-identical and the
bootstrap fixpoint.

Tagged-union enums (variant payloads + binding match + exhaustiveness) are the
deep type-system feature, split out to #56.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-08-31 19:11:27 +03:00
..
_section.md docs: add Networking section + process/OS builtins (net_send, owner, is_server, serialize/apply, arg, exit, run, getenv, read_char, file_*) 2026-08-29 16:39:29 +03:00
fn-abs.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
fn-arg.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
fn-arg_count.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
fn-assert.md feat(errors): panic(msg) + assert(cond, msg) with file:line — no raw crashes (#8) 2026-08-31 14:33:37 +03:00
fn-bytes.md refactor(lang): rename the ptr/ptrs types to pointer/pointers 2026-08-30 01:58:54 +03:00
fn-clamp.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
fn-err.md feat(errors): recoverable failures as values — try/else over ok/err results (#46) 2026-08-31 15:04:14 +03:00
fn-exit.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
fn-file_stderr.md refactor(lang): rename the ptr/ptrs types to pointer/pointers 2026-08-30 01:58:54 +03:00
fn-file_stdout.md refactor(lang): rename the ptr/ptrs types to pointer/pointers 2026-08-30 01:58:54 +03:00
fn-file_write.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
fn-fixed.md refactor(lang): rename builtins flr->floor and fx->fixed 2026-08-30 02:01:56 +03:00
fn-floor.md refactor(lang): rename builtins flr->floor and fx->fixed 2026-08-30 02:01:56 +03:00
fn-getenv.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
fn-is_err.md feat(errors): recoverable failures as values — try/else over ok/err results (#46) 2026-08-31 15:04:14 +03:00
fn-is_none.md feat(types): option (some/none) safety type (#53) 2026-08-31 19:11:27 +03:00
fn-is_ok.md feat(errors): recoverable failures as values — try/else over ok/err results (#46) 2026-08-31 15:04:14 +03:00
fn-is_some.md feat(types): option (some/none) safety type (#53) 2026-08-31 19:11:27 +03:00
fn-len.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
fn-load.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
fn-max.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
fn-min.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
fn-none.md feat(types): option (some/none) safety type (#53) 2026-08-31 19:11:27 +03:00
fn-ok.md feat(errors): recoverable failures as values — try/else over ok/err results (#46) 2026-08-31 15:04:14 +03:00
fn-panic.md feat(errors): recoverable failures as values — try/else over ok/err results (#46) 2026-08-31 15:04:14 +03:00
fn-print.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
fn-push.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
fn-quit.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
fn-read_char.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
fn-run.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
fn-save.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
fn-some.md feat(types): option (some/none) safety type (#53) 2026-08-31 19:11:27 +03:00
fn-string.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
fn-ui_build.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00
fn-unwrap_or.md feat(types): option (some/none) safety type (#53) 2026-08-31 19:11:27 +03:00
fn-words.md docs(api): per-symbol pages, fuzzy search, deep token linking, hover cards 2026-08-29 17:53:22 +03:00