Method: Enumerator#peek_values

Defined in:

enumerator.c

#peek_values ⇒ Array

Returns the next object as an array, similar to Enumerator#next_values, but doesn’t move the internal position forward. If the position is already at the end, StopIteration is raised.

See class-level notes about external iterators.

Example

o = Object.new
def o.each
  yield
  yield 1
  yield 1, 2
end
e = o.to_enum
p e.peek_values    #=> []
e.next
p e.peek_values    #=> [1]
p e.peek_values    #=> [1]
e.next
p e.peek_values    #=> [1, 2]
e.next
p e.peek_values    # raises StopIteration

Returns:

• (Array)

# File 'enumerator.c', line 936

static VALUE
enumerator_peek_values_m(VALUE obj)
{
    return rb_ary_dup(enumerator_peek_values(obj));
}