-- go.mod --
module example.com/retractdep/v3

go 1.12

// This is a very long message. This is a very long message. This is a very long message. This is a very long message. This is a very long message. This is a very long message. This is a very long message. This is a very long message. This is a very long message. This is a very long message. This is a very long message. This is a very long message. This is a very long message. This is a very long message. This is a very long message. This is a very long message. This is a very long message. This is a very long message.
retract v3.0.0
-- a.go --
package a

const A = "a"