Function < E , E > function ( ) { return ( Function < E , E > ) IdentityFunction . INSTANCE ; }
returns the identity function . concode_field_sep long serialVersionUID concode_elem_sep Predicate<T> predicate concode_elem_sep V defaultValue concode_elem_sep Function<A,? extends B> f concode_elem_sep Function<B,C> g concode_elem_sep Supplier<T> supplier concode_elem_sep Map<K,? extends V> map concode_elem_sep E value concode_field_sep Function<T,Boolean> forPredicate concode_elem_sep Function<Object,T> forSupplier concode_elem_sep Function<Object,E> constant concode_elem_sep String apply concode_elem_sep Object apply concode_elem_sep V apply concode_elem_sep V apply concode_elem_sep C apply concode_elem_sep Boolean apply concode_elem_sep E apply concode_elem_sep T apply concode_elem_sep Function<A,C> compose concode_elem_sep int hashCode concode_elem_sep int hashCode concode_elem_sep int hashCode concode_elem_sep int hashCode concode_elem_sep int hashCode concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep boolean equals concode_elem_sep boolean equals concode_elem_sep boolean equals concode_elem_sep boolean equals concode_elem_sep boolean equals concode_elem_sep Function<Object,String> toStringFunction concode_elem_sep String toString concode_elem_sep String toString concode_elem_sep String toString concode_elem_sep String toString concode_elem_sep String toString concode_elem_sep String toString concode_elem_sep String toString concode_elem_sep String toString concode_elem_sep Function<K,V> forMap concode_elem_sep Function<K,V> forMap