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basarat / typescript-book

:books: The definitive guide to TypeScript and possibly the best TypeScript book :book:. Free and Open Source 🌹
https://basarat.gitbook.io/typescript/
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TypeScript Compiler Internals #579

Open cangSDARM opened 4 years ago

cangSDARM commented 4 years ago

File: Utilities

In book: 截屏2020-05-09 16 08 28

But in source code: 截屏2020-05-09 16 10 34 截屏2020-05-09 16 11 36

Is that a misunderstanding or is the book outdated?

cangSDARM commented 4 years ago

AST

截屏2020-05-09 17 42 55

parent is not a optional members.