--- title: Type Reflections in Jai | daily.dev description: A live coding session implementing hash table support for JSON parsing in the Jai programming language. The developer explores Jai's type reflection system to... canonical: https://daily.dev/posts/type-reflections-in-jai-0tab8bhit twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Type Reflections in Jai | daily.dev og:description: A live coding session implementing hash table support for JSON parsing in the Jai programming language. The developer explores Jai's type reflection system to... og:url: https://daily.dev/posts/type-reflections-in-jai-0tab8bhit og:image: https://api.daily.dev/og/posts/0tab8bhiT.png og:image:alt: Type Reflections in Jai og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Type Reflections in Jai **[Tsoding Daily](https://daily.dev/sources/tsoding_daily)** · 91 min read · 0 upvotes · 0 comments ## Summary A live coding session implementing hash table support for JSON parsing in the Jai programming language. The developer explores Jai's type reflection system to add missing functionality to a third-party JSON library, working through runtime type information (RTTI), polymorphic structs, constant storage, and the challenges of dynamically handling generic types. The session demonstrates debugging techniques, type introspection, and the complexities of extending a statically-typed language's serialization capabilities. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Seeing types where others don't](https://daily.dev/posts/seeing-types-where-others-don-t-7srbyqoa7) · Lobsters · 0 upvotes · 0 comments - [CTTI is Exponential, RTTI is Linear](https://daily.dev/posts/ctti-is-exponential-rtti-is-linear-wqexh4f7v) · Lobsters · 0 upvotes · 0 comments --- Tags: [#type-systems](https://daily.dev/tags/type-systems) [View this post on daily.dev](https://daily.dev/posts/type-reflections-in-jai-0tab8bhit) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Type Reflections in Jai","url":"https://daily.dev/posts/type-reflections-in-jai-0tab8bhit","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/type-reflections-in-jai-0tab8bhit"},"datePublished":"2026-01-20T18:46:45.524Z","dateModified":"2026-01-20T18:47:11.222Z","description":"A live coding session implementing hash table support for JSON parsing in the Jai programming language. 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