mirror of https://github.com/go-python/gopy.git
35 lines
803 B
Go
35 lines
803 B
Go
// Copyright 2017 The go-python Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package pyerrors holds functions returning an error.
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package pyerrors
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import (
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"errors"
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"fmt"
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)
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// Div is a function for detecting errors.
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func Div(i, j int) (int, error) {
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if j == 0 {
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return 0, errors.New("Divide by zero.")
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}
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return i / j, nil
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}
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type Stringer fmt.Stringer
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type MyString string
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func (t MyString) String() string { return string(t) }
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// NewMyString converts a string to a custom MyString type.
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// It is an error to pass an empty string value.
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func NewMyString(val string) (stringer Stringer, err error) {
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if val == "" {
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err = errors.New("Empty string value.")
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return
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}
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return MyString(val), nil
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}
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