2e536488e6
- Add tekFunc AST node and parser support for func(Params) -> Ret - Add tkFunc type resolution in sema and hir_lower - Add &FuncName address-taking yielding tkMutRef(tkFunc) - Fix C emission: function pointer params use Ret (*name)(Params) syntax via cParamDecl helper that embeds the name inside (*) - Fix forward declarations and temp declarations for function pointers - Add funcPtrTypes table in C backend so &Fn temps get proper type - Add _test_funcptr integration test