##
#/usr/local/bin/perl
param('p1', 'v1');
param('p2', 'v2');...
####
DB<1> require "mydebugparam.pl"
DB<2> x param()
####
#/usr/local/bin/perl
sub sn{
param('p1', 'v1');
param('p2', 'v2');...}
####
DB<1> require "mydebugparam.pl"
DB<2> sn()
DB<3> x param()