GetEnumerator() [3/3]

IEnumerator< T > System.Linq.EnumerableQuery< T >.GetEnumerator ( )

inlineprivate

Implements System.Collections.Generic.IEnumerable< out T >.

Definition at line 125 of file EnumerableQuery.cs.

    {
        if (_enumerable == null)
        {
            EnumerableRewriter enumerableRewriter = new EnumerableRewriter();
            Expression body = enumerableRewriter.Visit(_expression);
            Expression<Func<IEnumerable<T>>> expression = System.Linq.Expressions.Expression.Lambda<Func<IEnumerable<T>>>(body, (IEnumerable<ParameterExpression>?)null);
            IEnumerable<T> enumerable = expression.Compile()();
            if (enumerable == this)
            {
                throw Error.EnumeratingNullEnumerableExpression();
            }
            _enumerable = enumerable;
        }
        return _enumerable.GetEnumerator();
    }

References System.Linq.EnumerableQuery< T >._enumerable, System.Linq.EnumerableQuery< T >._expression, System.Linq.enumerable, System.Linq.Error.EnumeratingNullEnumerableExpression(), System.Collections.Generic.IEnumerable< out T >.GetEnumerator(), and System.Linq.Expressions.Expression< TDelegate >.Lambda().