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primitives.go
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primitives.go
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// Copyright 2016 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/>.
// Contains various wrappers for primitive types.
package geth
import (
"errors"
"fmt"
)
// Strings represents s slice of strs.
type Strings struct{ strs []string }
// Size returns the number of strs in the slice.
func (s *Strings) Size() int {
return len(s.strs)
}
// Get returns the string at the given index from the slice.
func (s *Strings) Get(index int) (str string, _ error) {
if index < 0 || index >= len(s.strs) {
return "", errors.New("index out of bounds")
}
return s.strs[index], nil
}
// Set sets the string at the given index in the slice.
func (s *Strings) Set(index int, str string) error {
if index < 0 || index >= len(s.strs) {
return errors.New("index out of bounds")
}
s.strs[index] = str
return nil
}
// String implements the Stringer interface.
func (s *Strings) String() string {
return fmt.Sprintf("%v", s.strs)
}