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- // Copyright 2014 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
- import (
- "fmt"
- "io"
- )
- type MyCoolType struct {
- Name string
- a, b uint
- }
- // EncodeRLP writes x as RLP list [a, b] that omits the Name field.
- func (x *MyCoolType) EncodeRLP(w io.Writer) (err error) {
- return Encode(w, []uint{x.a, x.b})
- }
- func ExampleEncoder() {
- var t *MyCoolType // t is nil pointer to MyCoolType
- bytes, _ := EncodeToBytes(t)
- fmt.Printf("%v → %X\n", t, bytes)
- t = &MyCoolType{Name: "foobar", a: 5, b: 6}
- bytes, _ = EncodeToBytes(t)
- fmt.Printf("%v → %X\n", t, bytes)
- // Output:
- // <nil> → C0
- // &{foobar 5 6} → C20506
- }
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