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Last change
on this file since a762898 was a762898, checked in by istevanoska <ilinastevanoska@…>, 6 months ago |
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| 1 | /**
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| 2 | * Check whether a value is a symbol.
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| 3 | *
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| 4 | * This function can also serve as a type predicate in TypeScript, narrowing the type of the argument to `symbol`.
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| 5 | *
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| 6 | * @param {unknown} value The value to check.
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| 7 | * @returns {value is symbol} Returns `true` if `value` is a symbol, else `false`.
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| 8 | * @example
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| 9 | * isSymbol(Symbol.iterator);
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| 10 | * // => true
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| 11 | *
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| 12 | * isSymbol('abc');
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| 13 | * // => false
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| 14 | */
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| 15 | declare function isSymbol(value: any): value is symbol;
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| 16 |
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| 17 | export { isSymbol };
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