package main import ( "github.com/casbin/casbin/v2" "github.com/casbin/json-adapter/v2" ) func main() { // Initialize a JSON adapter and use it in a Casbin enforcer: b := []byte{} // b stores Casbin policy in JSON bytes. a := jsonadapter.NewAdapter(&b) // Use b as the data source.  e, _ := casbin.NewEnforcer("examples/rbac_model.conf", a) // Load the policy from JSON bytes b. e.LoadPolicy() // Check the permission. e.Enforce("alice", "data1", "read") // Modify the policy. // e.AddPolicy(...) // e.RemovePolicy(...) // Save the policy back to JSON bytes b. e.SavePolicy() }