lib/marshal/index.js
function getInnerType(str){
  var index = str.indexOf('(');
  return index > 0 ? str.substring(index + 1, str.length - 1) : str;
}
function getInnerType(str){
  var index = str.indexOf('(');
  return index > 0 ? str.substring(index + 1, str.length - 1) : str;
}
function getInnerType ( str ) { var index = str . indexOf ( '(' ) ; return index > 0 ? str . substring ( index + 1 , str . length - 1 ) : str ; }
Returns the type string inside of the parentheses
@private
@memberOf Marshal
Returns the type string inside of the parentheses