# Pastebin n47yjjsv
% ./perl6-m -e 'say CompUnit::DependencySpecification.from-string("Foo::Bar:ver<1.0>")'
CompUnit::DependencySpecification.new(short-name => "Foo::Bar", source-line-number => 0, from => "Perl6", version-matcher => "1.0", auth-matcher => "", api-matcher => "")