Functions

isStringifiedNumber

isStringifiedNumber(putativeNumber): putativeNumber is StringifiedNumber

A type guard that returns true if the input string parses as a Number, and refines its type for use in your program.

Parameters

Parameter	Type
`putativeNumber`	`string`

Returns

putativeNumber is StringifiedNumber

Example

import { isStringifiedNumber } from '@solana/rpc-types';
 
if (isStringifiedNumber(numericString)) {
    // At this point, `numericString` has been refined to a `StringifiedNumber`
    numericString satisfies StringifiedNumber; // OK
} else {
    setError(`${numericString} does not represent a number`);
}

isStringifiedBigInt

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