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Function: get()

get<Value>(iterable): Value

Returns the only value in iterable if it contains exactly one value. Otherwise, throws an error.

Type Parameters​

• Value

Parameters​

• iterable: Iterable<Value, any, any>

Returns​

Value

Example​

console.log(get([`sloth`]))
//=> sloth

try {
  console.log(get([]))
} catch {
  console.log(`Oh no! It was empty...`)
}
//=> Oh no! It was empty...

try {
  console.log(get([1, `sloth`, 3]))
} catch {
  console.log(`Oh no! It had more than one value...`)
}
//=> Oh no! It had more than one value...

Defined in​

optionals.d.ts:142