public static Author Create(NonNullValue <string> name, DateTime dateOfPublish) => new Author(name, dateOfPublish);
static void Main(string[] args)
{
var authors = new List <Option <Author> >();
for (var i = 1; i < 100; i++)
{
authors.Add(new Some <Author>(Author.Create(NonNullValue <string> .Create($"Author {i}"), DateTime.Now.AddDays(i))));
}
// search example
var item = authors
.Where(z => z.Content.Name.Content == "Khurram")
.DefaultIfEmpty(new Option <Author>())
.Single();
try {
var addedAuthor = item.Match(z => z, () => {
var newAuthor = Author.Create(NonNullValue <string> .Create("Khurram"), DateTime.Now);
authors.Add(new Some <Author>(newAuthor));
return(newAuthor);
});
WriteLine($"author:{addedAuthor.Name.Content},Date of publish:{addedAuthor.DateOfPublish}");
} catch (Exception err) {
WriteLine(err.Message);
}
// Map , Bind examples
foreach (int v in new [] { 3, 4, 5, 6, 7, 8, 9 }.Map1(i => i * i))
{
WriteLine($"Square value:{v}");
}
var name = new Option <string>("Khurram Shahzad");
Func <string, string> message = m => $"welcome {m}";
WriteLine(name.Map1(message).Content);
var _ = None.Instance;
WriteLine(_.Map1(message).Content);
// For Each example
new [] { 3, 4, 5, 6, 7, 8, 9 }
.Map1(i => i * i)
.ForEach(WriteLine);
// Bind example
WriteLine($"Your age is : {getAge().Content}");
Age getAge() =>
"Input age:"
.Prompt()
.Parse()
.Bind(Age.Of)
.Match(x => x, () => getAge());
TasksExample();
Func <string, string, string> greet = (a, b) => $"{a}-{b}";
var applyEx = greet.Apply("hello");
var curryingEx = greet.Curry();
WriteLine(applyEx("boy"));
WriteLine(curryingEx("cool")("boy"));
}
private Author(NonNullValue <string> name, DateTime dateOfPublish)
{
Name = name;
DateOfPublish = dateOfPublish;
}