Building with RescriptRelay, a video series
I’m happy to introduce “Building with RescriptRelay”, an ongoing video series where we build a RescriptRelay web app using data from the GitHub GraphQL API. RescriptRelay is a framework for using...
View ArticleIs there a way to get the name of variant in type
I don’t think you can generate this automatically, but I’d say it’s not much of a big deal to write it yourself. There’s a technique that allows you to make sure you didn’t forget a case in your...
View ArticleIs there a way to get the name of variant in type
@tsnobip Hi, thanks for your quick response. why we need to define module here? If I remove module module Foo: { type t = Bar | Baz let elements: array<t> } = { the warn was gone. And if some...
View ArticleIs there a way to get the name of variant in type
The module type is here to make the dup type internal only, given it can’t be used outside of the module, the compiler can track if all of its variants are used or not. Can I ask you why you need to...
View ArticleIs there a way to get the name of variant in type
Thanks for your quick response. I am learning redux toolkit, and try to make it work on ReScript + Preact. The reducers need some unique string for the action name (example code, so I think the type...
View ArticleBuilding with RescriptRelay, a video series
Episode 3 is out. We do the following: Create a new route with codesplitting and data preloading (render-as-you-fetch) Reuse the components we’ve already built, using fragments Create type safe links...
View ArticleIs there a way to get the name of variant in type
to be honest, given rescript has native support for a tool as powerful as variants/algebraic data types and exhaustive pattern matching, basic useState and useReducer can take you very far away, I’d...
View ArticleIs there a way to get the name of variant in type
Thanks for your advice, while application comes too big, redux (toolkit) is a good tool. I find your example can write more simple (without define twice type myType) playground
View ArticleBuilding with RescriptRelay, a video series
Another video out. We cover: The Node interface How Relay uses suspense How use suspense and Relay partial rendering to control route loading experience How to use the Relay+React dev tools to work...
View ArticleBuilding with RescriptRelay, a video series
So cool that you start covering the advanced parts too! Great job!
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Is it good idea having binding to JS this?
Added support for Js.globalThis github.com/rescript-lang/rescript-compiler Add `Js.globalThis` object binding rescript-lang:master ← cometkim:js-global-this opened 05:57PM - 24 Jul 24 UTC cometkim +7...
View ArticleVariant with generic "mysterious" behaviour
Hello, dear community, I’ve stumbled upon an interesting behaviour of the variant type. Here’s an example: module Post = { type t = {userId: int} let decode = (_t: Js.Json.t): result<t, string>...
View ArticleVariant with generic "mysterious" behaviour
hmm indeed the error is not obvious at first sight. Polymorphic type annotations don’t work the way you think they do in Hindley-Milner type systems, you can for example do this: let foo : 'a = 1 It’s...
View ArticleBuilding with RescriptRelay, a video series
Next one is out. We go through all you need to know about doing pagination, and what connections really are. 5: Connections and Pagination in Relay
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Announcing the Fields form library
Hi All I am proud to announce the public release of the form system I developed for in house use here at Noble Ai, called simply Fields. GitHub GitHub - noble-ai/rescript-fields: Elaborate form...
View ArticleVariant with generic "mysterious" behaviour
@tsnobip you’ve connected the dots with these two: let foo : 'a = 1 and… all branches of a switch need to return the same type. Thank you for pointing this out! Can I say that I “trigger” the...
View ArticleVariant with generic "mysterious" behaviour
@tsnobip GATD worked amazing and I think the solution looks pretty elegant, actually. Could you recommend a place to learn more about GATDs in Rescript (or OCaml)?
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Variant with generic "mysterious" behaviour
Yes, I think you have a pretty good understanding of the issue now!
View ArticleVariant with generic "mysterious" behaviour
Unfortunately there’s no good resource about GADTs in rescript that I know of, but there are quite a few of them in ocaml, the syntax is different but the language is extremely close, you can take a...
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Variant with generic "mysterious" behaviour
There is also Sketch.sh - Interactive ReasonML/OCaml sketchbook which is in Reason syntax so very close to ReScript. sketch.sh Sketch.sh - Interactive ReasonML/OCaml sketchbook Sketching...
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