doc Failure.new

doc/Type/Failure.pod6

@@ -24,6 +24,20 @@ failure to throw.
 
 =head1 Methods
 
+=head mothod new
+
+Defined as:
+    method new(Failure:D: $payload --> Failure)
+
+Returns a new C<Failure> instance with the given payload. The latter can be
+either an C<Exception> or a payload for an C<Exception>. A typical payload
+would be a C<Str> with an error message. A list of payloads is also excepted.
+
+    my $e = Failure.new(now.DateTime, 'WELP‼');
+    say $e;
+    CATCH{ default { say .^name, ': ', .Str } }
+    # OUTPUT: «X::AdHoc: 2017-09-10T11:56:05.477237ZWELP‼␤»
+
 =head2 method handled
 
 Defined as: