11 Matching Annotations
- Aug 2021
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dev.to dev.to
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function hasKey<O>(obj: O, key: PropertyKey): key is keyof O { return key in obj }
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stackoverflow.com stackoverflow.com
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If there is no relationship between the value's type and the type in the type predicate, the guard would make no sense. For example, TypeScript won't allow a user-defined guard like this: function isString(value: Date): value is string { return typeof value === "string"; }
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- Mar 2021
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en.wikipedia.org en.wikipedia.org
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Two of the predominant types of relationships in knowledge-representation systems are predication and the universally quantified conditional.
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- Feb 2021
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github.com github.com
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It is based on the idea that each validation is encapsulated by a simple, stateless predicate that receives some input and returns either true or false.
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- Oct 2020
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stackoverflow.com stackoverflow.com
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the function you pass to the find method is called a predicate. The predicate here defines a boolean outcome based on conditions defined in the function itself, so that the find method can determine which value to find.
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- May 2020
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developer.apple.com developer.apple.com
- Jan 2020
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en.wikipedia.org en.wikipedia.org
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en.wikipedia.org en.wikipedia.org
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stackoverflow.com stackoverflow.com
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en.wiktionary.org en.wiktionary.org
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en.wiktionary.org en.wiktionary.org
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