op-geth/rlp/encbuffer_example_test.go

46 lines
1.2 KiB
Go

// Copyright 2022 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rlp_test
import (
"bytes"
"fmt"
"github.com/ethereum/go-ethereum/rlp"
)
func ExampleEncoderBuffer() {
var w bytes.Buffer
// Encode [4, [5, 6]] to w.
buf := rlp.NewEncoderBuffer(&w)
l1 := buf.List()
buf.WriteUint64(4)
l2 := buf.List()
buf.WriteUint64(5)
buf.WriteUint64(6)
buf.ListEnd(l2)
buf.ListEnd(l1)
if err := buf.Flush(); err != nil {
panic(err)
}
fmt.Printf("%X\n", w.Bytes())
// Output:
// C404C20506
}