mirror of https://github.com/go-python/gopy.git
133 lines
2.8 KiB
Go
133 lines
2.8 KiB
Go
// Copyright 2015 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 hi exposes a few Go functions to be wrapped and used from Python.
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package hi
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import (
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"fmt"
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"github.com/go-python/gopy/_examples/cpkg"
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)
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const (
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Version = "0.1" // Version of this package
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Universe = 42 // Universe is the fundamental constant of everything
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)
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var (
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Debug = false // Debug switches between debug and prod
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Anon = Person{Age: 1, Name: "<nobody>"} // Anon is a default anonymous person
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IntSlice = []int{1, 2} // A slice of ints
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IntArray = [2]int{1, 2} // An array of ints
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)
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// Hi prints hi from Go
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func Hi() {
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cpkg.Hi()
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}
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// Hello prints a greeting from Go
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func Hello(s string) {
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cpkg.Hello(s)
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}
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// Concat concatenates two strings together and returns the resulting string.
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func Concat(s1, s2 string) string {
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return s1 + s2
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}
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// Add returns the sum of its arguments.
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func Add(i, j int) int {
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return i + j
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}
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// Person is a simple struct
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type Person struct {
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Name string
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Age int
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}
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// NewPerson creates a new Person value
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func NewPerson(name string, age int) Person {
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return Person{
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Name: name,
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Age: age,
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}
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}
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// NewPersonWithAge creates a new Person with a specific age
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func NewPersonWithAge(age int) Person {
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return Person{
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Name: "stranger",
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Age: age,
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}
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}
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// NewActivePerson creates a new Person with a certain amount of work done.
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func NewActivePerson(h int) (Person, error) {
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var p Person
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err := p.Work(h)
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return p, err
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}
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func (p Person) String() string {
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return fmt.Sprintf("hi.Person{Name=%q, Age=%d}", p.Name, p.Age)
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}
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// Greet sends greetings
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func (p *Person) Greet() string {
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return p.greet()
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}
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// greet sends greetings
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func (p *Person) greet() string {
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return fmt.Sprintf("Hello, I am %s", p.Name)
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}
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// Work makes a Person go to work for h hours
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func (p *Person) Work(h int) error {
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cpkg.Printf("working...\n")
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if h > 7 {
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return fmt.Errorf("can't work for %d hours!", h)
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}
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cpkg.Printf("worked for %d hours\n", h)
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return nil
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}
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// Salary returns the expected gains after h hours of work
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func (p *Person) Salary(h int) (int, error) {
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if h > 7 {
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return 0, fmt.Errorf("can't work for %d hours!", h)
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}
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return h * 10, nil
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}
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// Couple is a pair of persons
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type Couple struct {
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P1 Person
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P2 Person
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}
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// NewCouple returns a new couple made of the p1 and p2 persons.
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func NewCouple(p1, p2 Person) Couple {
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return Couple{
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P1: p1,
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P2: p2,
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}
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}
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func (c *Couple) String() string {
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return fmt.Sprintf("hi.Couple{P1=%v, P2=%v}", c.P1, c.P2)
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}
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// Float is a kind of float32
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type Float float32
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// Floats is a slice of floats
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type Floats []Float
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// Eval evals float64
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type Eval func(f float64) float64
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