Rust-like Option and Result types for Python with full typing support and slot optimization.
Option is a Python library that implements Rust-like `Option` and `Result` types, providing explicit handling of optional values and errors. It helps developers write more type-safe and predictable code by forcing them to deal with `None` values and simplifying error handling without excessive `try`/`except` blocks.
Python developers who want to adopt functional programming patterns, improve type safety in their codebases, or simplify error handling with explicit result types.
Developers choose Option for its Rust-inspired approach to optional values and errors, which increases code reliability through explicit typing and reduces common pitfalls associated with `None` values and exception-based error handling.
Rust like Option and Result types in Python
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The Option type forces explicit handling of missing values with Some/NONE, reducing runtime errors from unexpected None values, as highlighted in the README's emphasis on dealing with None explicitly.
Result types encapsulate success and error states, minimizing nested try/except blocks and making error flows more predictable, per the README's claim of simplifying error handling.
Fully typed with Python's type hints, it enables better static analysis and catches errors at development time, aligning with the key feature of type safety.
Uses __slots__ for performance optimization, reducing memory overhead compared to standard Python objects, as noted in the README's description of being 'slotted and fully typed'.
Wrapping existing Python functions that use exceptions requires boilerplate code to convert to Result types, since most libraries rely on exception-based error handling.
Introduces Rust-like functional patterns that may clash with Python's imperative idioms, leading to a steeper learning curve for teams not versed in functional programming.
The Python ecosystem is built around exceptions, so using Option/Result often requires custom adapters or wrappers for third-party libraries, adding complexity.
Handling Option and Result explicitly can lead to more verbose code compared to direct value access, especially in simple scenarios where safety gains are marginal.