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koss-lebedev/exactReadonlyType.js

Created May 24, 2018 13:52
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exactReadonlyType.js
// @flow
export type IProps = {|
+title: string,
+description?: string,
|}
class Post extends React.Component<IProps, {}> {
componentDidMount() {
// this will give as Flow error
this.props.description = "New description"
}
// ...
}
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