private static System.Collections.Generic.IDictionary<System.String, Type> GetInitialDictionary( System.IO.TextReader file ) {
	var output = new System.Collections.Generic.Dictionary<System.String, Type>( System.StringComparer.Ordinal );

	var headers = new System.Collections.Generic.Dictionary<System.String, System.Int32>( System.StringComparer.OrdinalIgnoreCase );
	System.Int32 i = 0;
	foreach ( var header in file.ReadRecord( "\r\n", '\"', ',' ) ) {
		headers.Add( header, i++ );
	}
	while ( -1 != file.Peek() ) {
		var row = file.ReadRecord( "\r\n", '\"', ',' ).ToArray();
		if ( row.Length <= 3 ) {
			continue;
		}
		var assembly = System.Reflection.Assembly.Load( row[ headers[ "Assembly" ] ] );
		var type = assembly.GetType( row[ headers[ "Type" ] ], true, true );
		var method = type.GetMethod(
			row[ headers[ "Method" ] ],
			0,
			System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public,
			null,
			System.Reflection.CallingConventions.Standard,
			new System.Type[ 1 ] { typeof( Icod.Collections.Immutable.IStack<Type> ) },
			null
		);
		if ( method.ReturnType != typeof( Icod.Collections.Immutable.IStack<Type> ) ) {
			throw new System.InvalidOperationException( "Intrinsic operator misconfigured" );
		}
		var code = method.CreateDelegate(
			typeof( System.Func<Icod.Collections.Immutable.IStack<Type>, Icod.Collections.Immutable.IStack<Type>> )
		);
		var name = row[ headers[ "Name" ] ];
		var @operator = new Type(
			name,
			row[ headers[ "Ancestry" ] ],
			null,
			(System.Func<Icod.Collections.Immutable.IStack<Type>, Icod.Collections.Immutable.IStack<Type>>)code
		);
		output.Add( name, @operator );
	}

	return output;
}