Enumerator#each_with_index

() { (Elem, ::Integer index) -> untyped } -> self

() -> ::Enumerator[[ Elem, ::Integer ], self]

e.each_with_index {|(*args), idx| ... }

e.each_with_index

static VALUE
enumerator_each_with_index(VALUE obj)
{
    return enumerator_with_index(0, NULL, obj);
}

Same as Enumerator#with_index(0), i.e. there is no starting offset.

If no block is given, a new Enumerator is returned that includes the index.

See also #each #each_with_object #+ #feed also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0