negative index on empty array . concode_field_sep PlaceHolder placeHolder concode_field_sep void emptyRemoveZero concode_elem_sep void deleteOneTest concode_elem_sep void deepRightTest concode_elem_sep void collapseMiddleTest concode_elem_sep void assertContains concode_elem_sep void singletonRemoveNegative concode_elem_sep void singletonTest concode_elem_sep void singletonRemoveOne concode_elem_sep void deepRemoveNegative concode_elem_sep void deepLeftTest concode_elem_sep void emptyRightDigitTest concode_elem_sep void fuzzyTest concode_elem_sep Array from concode_elem_sep void deepMiddleTest concode_elem_sep void emptyLeftDigitTest concode_elem_sep void deepRemoveTwo
void function ( ) { Array . empty ( ) . remove ( - 1 ) ; }