lukewarlow

if (!('requestClose' in HTMLDialogElement.prototype)) {
    HTMLDialogElement.prototype.requestClose = function (returnValue) {
        if (!this.open)
            return;

        if (this.dispatchEvent(new Event('cancel', {cancelable: true})))
            this.close(returnValue);
    }
}

lukewarlow

grammar WebIDL;

Integer: '-'?( [1-9] [0-9]*|'0'[Xx] [0-9A-Fa-f]+|'0'[0-7]*);
Decimal: '-'?(([0-9]+'.'[0-9]*|[0-9]*'.'[0-9]+)([Ee][+-]?[0-9]+)?|[0-9]+[Ee][+-]?[0-9]+);
Identifier: [_-]?[A-Za-z][0-9A-Z_a-z-]*;
String: '"'[^"]*'"';
Whitespace: [\t\n\r ]+ -> skip;
Comment: ('/*' .*? '*/' | '//' ~ [\n]*) -> skip;
Other: [^\t\n\r 0-9A-Za-z];

lukewarlow

package main

import (
	"github.com/lukewarlow/GoConsoleMenu"
	"fmt"
)

func main() {
	subMenu := GoConsoleMenu.NewMenu("Welcome to the test sub menu")
	subMenu.AddMenuItem(GoConsoleMenu.NewActionItem(0, "Exit current menu", func() {}).SetAsExitOption())