public static Expression CreateSelection(
this QueryableProjectionScope scope,
Expression source,
Type sourceType)
{
MethodCallExpression selection = Expression.Call(
typeof(Enumerable),
nameof(Enumerable.Select),
new[]
{
scope.RuntimeType,
scope.RuntimeType
},
source,
scope.CreateMemberInitLambda());
if (sourceType.IsArray)
{
return(ToArray(scope, selection));
}
if (TryGetSetType(sourceType, out Type? setType))
{
return(ToSet(selection, setType));
}
return(ToList(scope, selection));
}
public static Expression <Func <T, T> > Project <T>(this QueryableProjectionScope scope)
{
return((Expression <Func <T, T> >)scope.CreateMemberInitLambda());
}