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Create comprehensive plan to expand reflection system beyond the current minimal Builtin.reflect. Plan includes: - Adding 3 new core builtins (reflectType, typeOf, typeName) - Creating Darklang.LanguageTools.Reflection package with helpers - Adding tests and demos for reflection capabilities - Writing CLI integration report exploring reflection use cases - Keeping F# code changes minimal and focused Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
- Added three new builtins to Reflection.fs: - Builtin.reflectType: Get ValueType without full Dval structure - Builtin.typeOf: Human-readable type names (e.g., 'Int64', 'List<String>') - Builtin.typeName: Extract FQTypeName for custom types (records/enums) - Created comprehensive Darklang.LanguageTools.Reflection package module: - Type checking helpers: isPrimitive, isCollection, isCustomType, isFunction - Type-specific checks: isList, isDict, isTuple, isRecord, isEnum - Data extraction: getFields, getCaseName, getListElementType, getDictValueType - Added reflection-demo.dark with practical examples: - Type-aware pretty printing - Type validation and serialization checks - Metadata extraction from custom types - Schema inference for collections - Added comprehensive tests: - stdlib/reflection.dark: Tests for all new builtins with primitives, collections, and custom types - cli/reflection-test.dark: CLI integration test demonstrating reflection usage - Created reflection-cli-integration.md report analyzing: - CLI command ideas (inspect, type, debug, infer-schema, validate) - REPL enhancements with type display - App/editor integration possibilities (hover types, value inspector, auto-completion) - Implementation priorities and technical considerations Key design decisions: - Minimal F# code impact (only 3 new builtins in Reflection.fs) - Most functionality in Darklang package code for flexibility - Focused on practical, useful reflection operations - Lightweight alternatives to full reflection for performance Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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We had a
Builtin.reflect. I had AI think: what similar things might we find useful?