returns a function that always returns true . concode_field_sep NullFunction NULL_FUNCTION concode_field_sep Boolean call concode_elem_sep Boolean call concode_elem_sep R call concode_elem_sep R call concode_elem_sep R call concode_elem_sep R call concode_elem_sep R call concode_elem_sep R call concode_elem_sep R call concode_elem_sep R call concode_elem_sep R call concode_elem_sep R call concode_elem_sep R call concode_elem_sep Func1<T,T> identity concode_elem_sep NullFunction<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,R> returnNull concode_elem_sep Func1<? super T,Boolean> alwaysFalse
Func1 < ? super T , Boolean > function ( ) { return AlwaysTrue . INSTANCE ; }