private static Expression <Func <TEntity, bool> > Compose <TEntity>(
Expression <Func <TEntity, bool> > first,
Expression <Func <TEntity, bool> > second,
Func <Expression, Expression, BinaryExpression> mergeFunc)
{
var secondBody = ParameterRebinder.Execute(first.Parameters.First(), second.Body);
var resultExpression =
Expression.Lambda <Func <TEntity, bool> >(mergeFunc(first.Body, secondBody), first.Parameters);
return(resultExpression);
}
