return func(f *ast.File) bool {
		if imports(f, path) {
			deleteImport(f, path)
			return true
		}
		return false
	}
}

func addDelImportFn(p1 string, p2 string) func(*ast.File) bool {
	return func(f *ast.File) bool {
		fixed := false
		if !imports(f, p1) {
			addImport(f, p1)
			fixed = true
		}
		if imports(f, p2) {
			deleteImport(f, p2)
			fixed = true
		}
		return fixed
	}
}