39 строки
859 Б
Go
39 строки
859 Б
Go
package main
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import (
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"fmt"
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"math/rand"
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"os"
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"strings"
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"syscall"
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"time"
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)
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func main() {
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// package os, fmt
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fmt.Println("stdin: ", os.Stdin.Name())
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fmt.Println("stdout:", os.Stdout.Name())
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fmt.Println("stderr:", os.Stderr.Name())
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// Package syscall, this mostly checks whether the calls don't trigger an error.
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syscall.Getuid()
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syscall.Geteuid()
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syscall.Getgid()
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syscall.Getegid()
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syscall.Getpid()
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syscall.Getppid()
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// package math/rand
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fmt.Println("pseudorandom number:", rand.New(rand.NewSource(1)).Int31())
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// package strings
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fmt.Println("strings.IndexByte:", strings.IndexByte("asdf", 'd'))
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fmt.Println("strings.Replace:", strings.Replace("An example string", " ", "-", -1))
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// package time
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time.Sleep(time.Millisecond)
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time.Sleep(-1) // negative sleep should return immediately
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// Exit the program normally.
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os.Exit(0)
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}
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