/// <summary>
/// Shows usage of the synchronous FuncR method.
/// </summary>
/// <returns>The result of the operation.</returns>
public static string FuncR_SyncSample()
{
int x = 0;
// Create a synchronous, recursive func taking one parameter as input and returning a string.
Func <int, string> a = FuncR <int, string> .Create((value, self) =>
{
// Loop recursively until value is reached.
string s = x + ",";
if (x < value)
{
++x;
s += self(value);
}
return(s);
});
// Execute the action with 4 loops, and return the result.
return(a(4));
}
/// <summary>
/// Shows usage of the asynchronous FuncR method.
/// </summary>
/// <returns>An async task containing the function result.</returns>
public static async Task <string> FuncR_ASyncSample()
{
int x = 0;
// Create a asynchronous, recursive func taking one parameter as input and returning a string.
Func <int, Task <string> > a = FuncR <int, string> .Create(async (value, self) =>
{
// Loop recursively until value is reached.
string s = x + ",";
if (x < value)
{
x = await Task.FromResult <int>(x + 1);
s += await self(value);
}
return(s);
});
// Execute the action with 4 loops, wait for it to complete, and return the result.
return(await a(4));
}
