Note arg-less Complex.new call

Author: Altai-man

doc/Type/Complex.pod6

@@ -30,6 +30,11 @@ Defined as:
 Creates a new C<Complex> object from real and imaginary parts.
 
     my $complex = Complex.new(1, 1);
+    say $complex;    # OUTPUT: «1+1i␤»
+
+When created without arguments, both parts are considered to be zero.
+
+    say Complex.new; # OUTPUT: «0+0i␤»
 
 =head2 method re
 
@@ -208,4 +213,4 @@ a warning about using an uninitialized value in numeric context and then returns
 
 =end pod
 
-# vim: expandtab softtabstop=4 shiftwidth=4 ft=perl6
+# vim: expandtab softtabstop=4 shiftwidth=4 ft=perl6