Go

Вызов из словаря

type fn func(string)

func func1(s string) {
}

calls := map[string]fn{
	"func1": func1,
}
calls["func1"]("Hello")

Прерывания клавиатуры Ctrl-C

func SetupCloseHandler() {
	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt)
	go func() {
		<-c
		os.Exit(0)
	}()
}

Windows console header

import (
	"syscall"
	"unsafe"
)

//Set windows console title
func SetConsoleTitle(title string) (int, error) {
	handle, err := syscall.LoadLibrary("Kernel32.dll")
	if err != nil {
		return 0, err
	}
	defer syscall.FreeLibrary(handle)
	proc, err := syscall.GetProcAddress(handle, "SetConsoleTitleW")
	if err != nil {
		return 0, err
	}
	r, _, err := syscall.Syscall(proc, 1, uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(title))), 0, 0)
	return int(r), err
}