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instance method

Enumerator#+

[Elem2] (::_Each[Elem2]) -> ::Enumerator::Chain[E | Elem2]

e + enum → enumerator

static VALUE
enumerator_plus(VALUE obj, VALUE eobj)
{
    return new_enum_chain(rb_ary_new_from_args(2, obj, eobj));
}

Returns an enumerator object generated from this enumerator and a given enumerable.

Example

e = (1..3).each + [4, 5]
e.to_a #=> [1, 2, 3, 4, 5]

See also .product #each .produce #each_with_index also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0