EnumerableWrapper.g.csx

#r "System.Net.Http"
#r "System.Threading.Tasks"
#r "packages\Microsoft.CodeAnalysis.CSharp.2.3.2\lib\netstandard1.3\Microsoft.CodeAnalysis.CSharp.dll"

using System.Net.Http;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.CSharp.Syntax;

var source = await new HttpClient().GetStringAsync("https://gist.githubusercontent.com/atifaziz/779846996638e50cbf11554c75739178/raw/8e0ef8f52c1beadd5f6a6cbb464737e2bce0f9c9/Enumerable.cs");

var output =
    from m in CSharpSyntaxTree.ParseText(source)
                              .GetRootAsync().GetAwaiter().GetResult()
                              .DescendantNodes().OfType<MethodDeclarationSyntax>()
    select $@"    {m.ToString().TrimEnd(';')} =>
        LinqEnumerable.{m.Identifier}({string.Join(", ", from p in m.ParameterList.Parameters
                                                         select p.Identifier)});";

Console.WriteLine($@"static class Enumerable
{{
{string.Join(Environment.NewLine + Environment.NewLine, output)}
}}");