No information provided on optional parameters

[pblasucci]

Type of issue

Missing information

Description

The section on Optional Arguments speaks only about the form used for interop with C#. However, the F# language supports an entirely different mechanism, which is not covered by this article. For details, c.f. F# Language Specification, § 8.13.6. This is a very common technique, and it's exclusion from the documentation is very curious. Also, in the interest of clarity, perhaps it's better to distinguish the two forms with something along the lines of:

• Optional arguments with early defaults (i.e. for C# compatability)
• Optional arguments with late defaults (i.e. missing from the current docs)

Page URL

https://learn.microsoft.com/en-us/dotnet/fsharp/language-reference/members/methods

Content source URL

https://github.com/dotnet/docs/blob/main/docs/fsharp/language-reference/members/methods.md

Document Version Independent Id

ec7268c9-a299-8a21-65c9-3da7dae8a45d

Platform Id

3870144c-c491-c7a3-ea52-63a9499a19a6

Article author

@KathleenDollard

Metadata

• ID: 680c7c1b-10c0-0537-a52e-48214b55ca4c
• PlatformId: 3870144c-c491-c7a3-ea52-63a9499a19a6
• Service: dotnet-fsharp

Related Issues

[pblasucci]

After poking around a bit more, I see the information in question is covered in more detail in the section Method Parameters. So maybe the best way forward is to just move the whole "Optional arguments" section to the page on Method Parameters? That would probably help clear up the confusion.

[BillWagner]

I like your suggestion @pblasucci

Tagging @T-Gro for his opinion.

[T-Gro]

After poking around a bit more, I see the information in question is covered in more detail in the section Method Parameters. So maybe the best way forward is to just move the whole "Optional arguments" section to the page on Method Parameters? That would probably help clear up the confusion.

That makes sense, after all optionality of arguments does belong to Method parameters.
If anyone plans on touching that, we should also include [Struct] optional parameters as part of the move.