lib/inline_config.js
function (config) {
    this.setOption = config.setOption.bind(config);
    this.isOption = function (name) { return name in config.options; };
    this.clear();
}
function (config) {
    this.setOption = config.setOption.bind(config);
    this.isOption = function (name) { return name in config.options; };
    this.clear();
}
function ( config ) { this . setOption = config . setOption . bind ( config ) ; this . isOption = function ( name ) { return name in config . options ; } ; this . clear ( ) ; }
index used for making sure configs are sent in order 
An inline configuration class is created to hold each inline configuration
and report back what the options should be at a certain index.
@constructor
@param {Object} config - an option parser
If not given here, it must be set with inlineConfig.reset(basis).
index used for making sure configs are sent in order An inline configuration class is created to hold each inline configuration and report back what the options should be at a certain index .