fn walkIdentifier(w: *Walk, name_ident: Ast.TokenIndex) Error!void
fn walkIdentifier(w: *Walk, name_ident: Ast.TokenIndex) Error!void { const ast = w.ast; assert(ast.tokenTag(name_ident) == .identifier); const name_bytes = ast.tokenSlice(name_ident); _ = w.unreferenced_globals.swapRemove(name_bytes); }