======Класс AstExpression======
  * **Пространство имен:** [[developers:references:topomatic.crs.ast|Topomatic.Crs.Ast]]
  * **Сборка:** Topomatic.Crs (в Topomatic.Crs.dll)
=====Иерархия наследования=====
  * System.Object
    * [[developers:references:topomatic.crs.ast.astobject|Topomatic.Crs.Ast.AstObject]]
      * Topomatic.Crs.Ast.AstExpression
        * [[developers:references:topomatic.crs.ast.astandexpression|Topomatic.Crs.Ast.AstAndExpression]]
        * [[developers:references:topomatic.crs.ast.astarg|Topomatic.Crs.Ast.AstArg]]
        * [[developers:references:topomatic.crs.ast.astbackquoteexpression|Topomatic.Crs.Ast.AstBackQuoteExpression]]
        * [[developers:references:topomatic.crs.ast.astbinaryexpression|Topomatic.Crs.Ast.AstBinaryExpression]]
        * [[developers:references:topomatic.crs.ast.astcallexpression|Topomatic.Crs.Ast.AstCallExpression]]
        * [[developers:references:topomatic.crs.ast.astconditionalexpression|Topomatic.Crs.Ast.AstConditionalExpression]]
        * [[developers:references:topomatic.crs.ast.astconstantexpression|Topomatic.Crs.Ast.AstConstantExpression]]
        * [[developers:references:topomatic.crs.ast.astdictionaryexpression|Topomatic.Crs.Ast.AstDictionaryExpression]]
        * [[developers:references:topomatic.crs.ast.asterrorexpression|Topomatic.Crs.Ast.AstErrorExpression]]
        * [[developers:references:topomatic.crs.ast.astgeneratorexpression|Topomatic.Crs.Ast.AstGeneratorExpression]]
        * [[developers:references:topomatic.crs.ast.astindexexpression|Topomatic.Crs.Ast.AstIndexExpression]]
        * [[developers:references:topomatic.crs.ast.astlambdaexpression|Topomatic.Crs.Ast.AstLambdaExpression]]
        * [[developers:references:topomatic.crs.ast.astlistexpression|Topomatic.Crs.Ast.AstListExpression]]
        * [[developers:references:topomatic.crs.ast.astmemberexpression|Topomatic.Crs.Ast.AstMemberExpression]]
        * [[developers:references:topomatic.crs.ast.astnameexpression|Topomatic.Crs.Ast.AstNameExpression]]
        * [[developers:references:topomatic.crs.ast.astorexpression|Topomatic.Crs.Ast.AstOrExpression]]
        * [[developers:references:topomatic.crs.ast.astparenthesisexpression|Topomatic.Crs.Ast.AstParenthesisExpression]]
        * [[developers:references:topomatic.crs.ast.astsliceexpression|Topomatic.Crs.Ast.AstSliceExpression]]
        * [[developers:references:topomatic.crs.ast.asttupleexpression|Topomatic.Crs.Ast.AstTupleExpression]]
        * [[developers:references:topomatic.crs.ast.astunaryexpression|Topomatic.Crs.Ast.AstUnaryExpression]]
        * [[developers:references:topomatic.crs.ast.astyieldexpression|Topomatic.Crs.Ast.AstYieldExpression]]
=====Синтаксис=====
<code csharp>public abstract class AstExpression : AstObject</code>
=====Свойства=====

^Тип^Имя^Описание^
|{{developers:references:property.png|Свойство}}|[[developers:references:topomatic.crs.ast.astobject.end|End]]|  (Наследуется от [[developers:references:topomatic.crs.ast.astobject|AstObject]].)|
|{{developers:references:property.png|Свойство}}|[[developers:references:topomatic.crs.ast.astobject.span|Span]]|  (Наследуется от [[developers:references:topomatic.crs.ast.astobject|AstObject]].)|
|{{developers:references:property.png|Свойство}}|[[developers:references:topomatic.crs.ast.astobject.start|Start]]|  (Наследуется от [[developers:references:topomatic.crs.ast.astobject|AstObject]].)|

=====Методы=====

^Тип^Имя^Описание^
|{{developers:references:method.png|Метод}}|Equals(Object)| Определяет, равен ли заданный объект текущему объекту.  (Наследуется от Object.)|
|{{developers:references:method.png|Метод}}|GetHashCode()| Служит хэш-функцией по умолчанию.   (Наследуется от Object.)|
|{{developers:references:method.png|Метод}}|GetType()| Возвращает объект  Type для текущего экземпляра.  (Наследуется от Object.)|
|{{developers:references:method.png|Метод}}|[[developers:references:topomatic.crs.ast.astobject.tostring|ToString()]]|  (Наследуется от [[developers:references:topomatic.crs.ast.astobject|AstObject]].)|
|{{developers:references:method.png|Метод}}|[[developers:references:topomatic.crs.ast.astobject.walk_topomatic.crs.ast.astwalker|Walk(AstWalker)]]|  (Наследуется от [[developers:references:topomatic.crs.ast.astobject|AstObject]].)|