// (initialization), use the blank identifier as explicit package name."

	for _, obj := range check.imports {
		if !obj.used && obj.name != "_" {
			check.errorUnusedPkg(obj)
		}
	}
}

func (check *Checker) errorUnusedPkg(obj *PkgName) {
	// If the package was imported with a name other than the final
	// import path element, show it explicitly in the error message.

	// (initialization), use the blank identifier as explicit package name."

	for _, obj := range check.imports {
		if !obj.used && obj.name != "_" {
			check.errorUnusedPkg(obj)
		}
	}
}

func (check *Checker) errorUnusedPkg(obj *PkgName) {
	// If the package was imported with a name other than the final
	// import path element, show it explicitly in the error message.