src/ds/Set.js
function (value) {
            var res;
            if (this.has(value)) {
                res = this.items.splice(
                    x.indexOf(this.items, value),
                    1
                );
            }
            return res;
        }
function (value) {
            var res;
            if (this.has(value)) {
                res = this.items.splice(
                    x.indexOf(this.items, value),
                    1
                );
            }
            return res;
        }
function ( value ) { var res ; if ( this . has ( value ) ) { res = this . items . splice ( x . indexOf ( this . items , value ) , 1 ) ; } return res ; }
Removes value from Set
@param value
@returns <Item>
Removes value from Set