Function isClarityType

Narrow down the type of a generic ClarityValue

Example

// some functions can return a generic `ClarityValue` type
let value = callReadOnlyFunction();
//  ^ ClarityValue
// use `isClarityType` to narrow down the type
assert(isClarityType(value, ClarityType.Int))
console.log(value)
//          ^ IntCV
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