public static WeakFunc <T1, T2, T3, T4, TResult> Create <T1, T2, T3, T4, TResult>(Func <T1, T2, T3, T4, TResult> func)
{
var weakDelegate = new WeakDelegate(func.Target, func.Method);
return((arg1, arg2, arg3, arg4) =>
{
if (weakDelegate.TryInvoke(new object[] { arg1, arg2, arg3, arg4 }, out var result))
{
return (true, (TResult)result);
}
return (false, default(TResult));
});
}
public static WeakFunc <TResult> Create <TResult>(Func <TResult> func)
{
var weakDelegate = new WeakDelegate(func.Target, func.Method);
return(() =>
{
if (weakDelegate.TryInvoke(null, out var result))
{
return (true, (TResult)result);
}
return (false, default(TResult));
});
}