basarat/typescript-book

keyof

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#155 opened on Aug 21, 2016

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accept PRhelp wanted

Description

Document https://github.com/Microsoft/TypeScript/pull/11929 in https://github.com/basarat/typescript-book/blob/master/docs/project/declarationspaces.md as

Capturing the keys of a type

:rose:

Contributor guide

Tech stack
typescript
Domain
documentation
Issue type
documentation
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
None
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
85
Research direction
This is a documentation issue for the TypeScript book. The task is to add a new section 'Capturing the keys of a type' documenting the keyof operator (PR #11929). The file to edit is `docs/project/declarationspaces.md`. Look at the linked PR to understand the feature and write a concise explanation. The existing content in the file provides context for where to add the new section. No additional dependencies or blockers.