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Author SHA1 Message Date
dimgigov eac78f28c1 feat(stdlib): generic Iter_Map/Filter/Fold with func monomorphization
Add Iter_Map<T,U>, Filter, Fold, Any, All, ForEach over fat function
pointers; keep Iter_MapInt and friends as thin aliases.

Compiler fixes required for non-int returns and capturing closures:
- bootstrap: resolve fat-func call return type under mono typeSubst
- bootstrap: type-check args of Foo<T>(...) so closures capture correctly
- selfhost: substitute type params inside tekFunc (BuxFn_U_T → concrete)
- selfhost: emit cstr fat typedefs with #ifndef redefinition guards

Example: examples/iter_generic.bux (int↔String map, fold, closures).
Selfhost-loop remains binary-identical.
2026-07-18 01:07:41 +03:00