JSONValue

A string.

A floating-point number.

JSON does not distinguish numeric types of different precisions. If you need integer precision, cast the value to an Int.

A Boolean value.

A heterogeneous array of JSON values and null values.

An object containing JSON values and null values keyed by strings.

Initializes a JSON value representing the given string.

This branch must happen after the NSNumber branch to avoid converting NSNumber instances with values 0 and 1 but of objCType != ‘c’ to Bool since as? Bool can succeed when the NSNumber’s value is 0 or 1 even when its objCType is not ‘c’.