name function
Returns a human-readable name for errorCode
if it's one specified by the
JSON-RPC 2.0 spec.
If errorCode
isn't defined in the JSON-RPC 2.0 spec, returns null
.
Implementation
String? name(int errorCode) => switch (errorCode) {
PARSE_ERROR => 'parse error',
INVALID_REQUEST => 'invalid request',
METHOD_NOT_FOUND => 'method not found',
INVALID_PARAMS => 'invalid parameters',
INTERNAL_ERROR => 'internal error',
_ => null
};