Document IO::Pipe's .close method

Author: zoffixznet

doc/Type/IO/Pipe.pod6

@@ -15,6 +15,12 @@ Pipes can be easily constructed with L<sub run and Proc.new|/type/Proc>.
 
 =head1 Methods
 
+=head2 method close
+
+    method close(IO::Pipe:) returns Proc:D
+
+Closes the pipe and returns L<Proc> object from which the pipe originates.
+
 =head2 method proc
 
     method proc(IO::Pipe:) returns Proc:D