Raised to stop the iteration, in particular by Enumerator#next. It is rescued by Kernel#loop.
loop do puts "Hello" raise StopIteration puts "World" end puts "Done!"
produces:
Hello Done!
Returns the return value of the iterator.
o = Object.new def o.each yield 1 yield 2 yield 3 100 end e = o.to_enum p e.next #=> 1 p e.next #=> 2 p e.next #=> 3 begin e.next rescue StopIteration p $!.result #=> 100 end
static VALUE
stop_result(VALUE self)
{
return rb_attr_get(self, rb_intern("result"));
}