CODEWITHSUNDEEP
f#
Tahir Hassan
Tahir Hassan

Reputation: 5817

F#: Why are these brackets necessary (syntax)

Just for my own peace of mind, I am wondering why, in last line, in my AssemblyInfo.fs file, it is neccessary to add a () in order for it to compile. What do you call this syntax?

namespace TestComComponentFSharp

open System.Reflection
open System.Runtime.CompilerServices
open System.Runtime.InteropServices

[<assembly: AssemblyTitle("TestComComponentFSharp")>]
[<assembly: ComVisible(true)>]
[<assembly: Guid("0B684F15-DC37-40C0-A785-EDF1A63BBAF5")>]
[<assembly: AssemblyKeyFile("KeyFile.snk")>]

[<assembly: AssemblyVersion("1.0.0.0")>]
[<assembly: AssemblyFileVersion("1.0.0.0")>]

()

Upvotes: 2

Views: 133

Answers (1)

Kevin
Kevin

Reputation: 2291

You need something to apply those assembly attributes to. That whats the empty () or do() is for. Its called an "Empty Expression" - it returns a unit.

Upvotes: 5

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