Mapped Types are now in TypeScript master branch

This PR introduces Mapped Types, a new kind of object type that maps a type representing property names over a property declaration template. In combination with index types and indexed access type…

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TypeScript 3.9 Beta

Today we’re announcing the availabilty of TypeScript 3.9 Beta! To get started using the beta, you can get it through NuGet, or use npm with the following command: npm install typescript@beta You can also get editor support by Downloading for Visual Stu... (more…)

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