FSharp.Core by Microsoft

<PackageReference Include="FSharp.Core" Version="7.0.0" />

.NET API 3,178,640 bytes

 AutoOpenAttribute

public sealed class AutoOpenAttribute : Attribute
Indicates a construct is automatically opened when brought into scope through an assembly reference or then opening of the containing namespace or module.
public string Path { get; }

Indicates the namespace or module to be automatically opened when an assembly is referenced or an enclosing module opened.

public AutoOpenAttribute(string path)

Creates an attribute used to mark a namespace or module path to be 'automatically opened' when an assembly is referenced

Creates an attribute used to mark a module as 'automatically opened' when the enclosing namespace is opened