feat: match guards, HOF inference, ownership C.2/C.3, LSP sema hover

Sessions 18–23 quality work:

- B.3c match arm guards + sequential found-flag lower (bootstrap + selfhost)
- Generic HOF type inference (Array/Iter map/filter/fold without type args)
- Pattern binding shadowing via unique C locals (__pN_src)
- Ownership C.2 exclusive &mut data-flow + C.4 goldens; *p= store-through fix
- Ownership C.3 auto-drop on early return/branches: scoped defers, move-on-return,
  Drop monomorphization, materialize return before Drop
- LSP 0.3.0: hover from real sema types
- Examples and QUALITY_PLAN session log; selfhost-loop identical

This commit is contained in:

dimgigov

2026-07-18 21:52:14 +03:00

parent 66f11d1869

commit 3eb1ad3a82

25 changed files with 2246 additions and 457 deletions

									
										tests/error_golden/exclusive_mut_let/bux.toml
									
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				[Package]

				Name = "exclusive_mut_let"

				Version = "0.1.0"

				Type = "bin"

				[Build]

				Output = "Bin"