Method parse2_validate_only

src/fl/stl/json.cpp.hpp:1103–1105

Phase 1 validation only (for testing - MUST allocate zero heap memory)

// Phase 1 validation only (for testing - MUST allocate zero heap memory)
bool json_value::parse2_validate_only(const fl::string& txt) {
    return parse2_validate_only(fl::string_view(txt.c_str(), txt.length()));
}

bool json_value::parse2_validate_only(fl::string_view txt) {
    JsonTokenizer tokenizer;