src/Traver/Collection/PipeableLike.php
/**
     * Concatenates the {@link strval} of all elements separated by the given separator.
     * @param $separator
     * @return mixed
     * @see Pipeable::join
     */
Concatenates the  strval of all elements separated by the given separator.
@param $separator
@return mixed
@see Pipeable::join
Concatenates the strval of all elements separated by the given separator . @param $separator @return mixed @see Pipeable :: join
public function join($separator = '')
    {
        return $this->reduceOption(function ($joined, $item) use ($separator) {
            return $joined . $separator . $item;
        })->getOrElse('');
    }
public function join ( $ separator = '' ) { return $ this -> reduceOption ( function ( $ joined , $ item ) use ( $ separator ) { return $ joined . $ separator . $ item ; } ) -> getOrElse ( '' ) ; }
Concatenates the {@link strval} of all elements separated by the given separator.
Concatenates the { @link strval } of all elements separated by the given separator .