Handling of Nullables (int?) about clap HOT 6 CLOSED

Hi Jörg,

Congratulations! You have found a good bug!
I'll fix it ASAP and release a new version.
Unfortunately there isn't an option to write your own type converter.
Until this is resolved, you can define a const that will treated as a null value. This is a bad practice (and ugly as hell), but it will help you until I release the new version.
For example:

const int SomeConstAsNull = -999;
[Verb]
void Foo([Parameter(Default=SomeConstAsNull)] int x)
{
int? xx = x == SomeConstAsNull ? null : x;

// continue using xx instead of x ...
}

Thanks,
Adrian

from clap.

OK. It's fixed now.
Please update your CLAP nuget (run "Update-Package clap" from your nuget console).

With this version, all the following are supported:

[Verb]
void Foo(
int? p1,
[Parameter(Default=5)] int? p2,
[Parameter(Default="5")] int? p3,
[Parameter(Default="")] int? p4,
[Parameter(Default=null)] int? p5)
{
}

Hope it solves your problem.

Thanks,
Adrian

from clap.

And by-the-way, also custom types with nullable properties are supported:

class Data
{
public int? Number { get;set; }
}

class Program
{
[Verb]
void Foo(Data d)
{
}
}

and running as:

theexe foo id:{Number:5}

from clap.

Adrian,

now how awesome is that.. fixed so quickly, great! I'll give it a try tomorrow morning but thanks :)

Have a nice evening and all the best,
-J

from clap.

Cheers!

from clap.

Confirmed, works!

from clap.