Sorbet's runtime type checking component

Validate, normalize, parse, convert, generate, and classify securities identifiers. Auto-detect identifier type from any string. Calculate and restore check digits. Generate format-valid identifiers as test fixtures. Decode CFI codes to full ISO 10962:2021 classifications. Includes an opt-in Acti...

Extracts Ruby code from view templates (ERB, etc.) for Sorbet type-checking, with LSP support

Create, review, and archive retrospectives from the command line with type-aware templates, task linkage, and health checks for long-running retrospective work.

winreg is a native extension exposing the Win32 registry through a typed, hard-to-misuse Ruby API: strict typed readers and writers for REG_SZ, REG_EXPAND_SZ (never auto-expanded), REG_MULTI_SZ (correct double-NUL wire format), REG_DWORD/REG_QWORD (range-checked), and REG_BINARY, with raw escape ...

Check yardoc format like tag type.

Kumi is a declarative rules-and-calculation DSL for Ruby that compiles your business logic into a typed, analyzable dependency graph with vector semantics over ragged data. It does static checks at definition time, lowers to a small IR, and compiles to zero-run...

strong_csv is a type checker for a CSV file. It lets developers declare types for each column to ensure all cells are satisfied with desired types.

Define data classes with typed fields, default values, validation rules, and pattern matching support. Immutable by default with keyword-only construction, JSON/Hash serialization, and runtime type checking.

Validate Ruby data structures against JSON Schema definitions with support for type checking, required properties, pattern matching, numeric ranges, enums, and array validation.

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A zero-dependency Ruby gem for validating hash data against schemas with type checking, coercion, required/optional fields, and custom validators.

A chainable guard clause DSL for validating method preconditions with built-in checks for nil, empty, numeric bounds, type checking, range, length, regex matching, inclusion, custom predicates, string prefix/suffix, and soft mode error collection.

The basic_settings gem provides a way to define settings objects that define the structure of application settings, i.e. the various fields that can be set, and their types. It provides type checking, defaults inheritance, and hierarchical structure.

Language server implementation that provides Steep-equivalent type checking features using ruby-lsp's single-process multi-threaded architecture

Run-time type checker and transformer for Ruby

# mdtoc - Markdown Table of Contents Read Markdown files and output a table of contents. ## Installation Requirements: * [Ruby](https://www.ruby-lang.org/en/) (see [.ruby-version](./.ruby-version)) ```bash gem install mdtoc ``` ## Usage ```bash mdtoc --help Usage: mdtoc [options] files or ...

Enums, properties, generics, structured objects and runtime type checking.

Reads .trb files, checks type annotations, and generates pure Ruby.

A tiny pre-processor for ruby that adds runtime type checking to methods.