question: alias to fold1 concode_field_sep List<T> list concode_field_sep T foldr concode_elem_sep T fold1 concode_elem_sep Seq<T> compact concode_elem_sep int compareTo concode_elem_sep boolean empty concode_elem_sep T head concode_elem_sep Iterator<T> iterator concode_elem_sep Seq<Seq<T>> partition concode_elem_sep Seq<T> reject concode_elem_sep T find concode_elem_sep T foldl concode_elem_sep Seq<Ret> map concode_elem_sep T foldr1 concode_elem_sep void add concode_elem_sep T last concode_elem_sep ArrayList<T> toArrayList concode_elem_sep Seq<T> initial concode_elem_sep Seq<T> tail concode_elem_sep Seq<T> reverse concode_elem_sep Seq<T> each concode_elem_sep Seq<T> filter concode_elem_sep T fold concode_elem_sep boolean contains concode_elem_sep Seq<T> unique concode_elem_sep Seq<T> difference concode_elem_sep Seq<T> uniqueBy
target: T function ( BinaryFunction < T , T , T > arg0 ) { return this . fold1 ( arg0 ) ; }