DotNext by .NET Foundation and Contributors

<PackageReference Include="DotNext" Version="5.8.0" />

.NET API 503,240 bytes

 ISupplier<T1, T2, TResult>

public interface ISupplier<T1, T2, TResult> : IFunctional<Func<T1, T2, TResult>>
Represents functional interface returning arbitrary value and accepting the two arguments.
TResult Invoke(T1 arg1, T2 arg2)

Invokes the supplier.