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JSONpp (0.1.1)

A modern, header-only C++ JSON library based on generic programming.

⚠️ Documentation Rewrite in Progress

Following the major v0.1.0 architectural overhaul (introducing basic_json template and IO abstraction), the previous documentation has been deprecated.

We are currently rewriting the documentation to ensure accuracy. In the meantime, please refer to the unit tests in the tests/ directory for up-to-date usage examples.

Key Features

• High Extensibility: Header-only and template-based architecture allowing full customization of underlying containers (e.g., seamless switching between std::map and std::unordered_map) and types.
• High Performance: Specialized zero-copy parsing path optimized for std::string_view inputs.
• Memory Efficiency: Stream-based IO abstraction (std::istream) designed for handling large datasets with minimal memory footprint.
• Generic Parsing: Stream-based Recursive Descent parser engine supporting generic input sources and output types.