A very simple, fully typed Rust-like Result type for Python 3.
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Dec 16, 2025 - Python
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type-narrowing
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Type safe utility for defining static constants with automatic type narrowing and additional helper functions
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Mar 11, 2026 - TypeScript
A lightweight TypeScript utility library for performing common type-safe value checks with type narrowing
typescript validation type-guards type-checking dependency-free runtime-validation value-validation type-narrowing sniffly
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Dec 20, 2025 - TypeScript
🛡️ Blazing-fast, zero-dependency TypeScript runtime safety toolkit. 60+ type guards with auto-narrowing, Result/Option monads, assertions, invariants, data pipelines (pipe/flow), string sanitization, and env validation. Tree-shakeable. Dual ESM/CJS. 313 tests. 100% coverage. Guard your runtime, harden your types.
nodejs typescript validation functional-programming type-guards zero-dependency option-monad result-monad runtime-safety type-narrowing
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Apr 5, 2026 - TypeScript
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