## ConcatAtom class  
**Signature:**  
```typescript  
export declare class ConcatAtom extends InfixOperatorAtom  
```  
  
**Extends:** [InfixOperatorAtom](/content/docs/sdk/core.infixoperatoratom)  
  
## Constructors

| Constructor | Modifiers | Description |  
| --- | --- | --- |  
| [(constructor)(left, right)](/content/docs/sdk/core.concatatom._constructor_/index.html) |  | Constructs a new instance of the `ConcatAtom` class |  
  
## Methods

| Method | Modifiers | Description |  
| --- | --- | --- |  
| [eval(context, input)](/content/docs/sdk/core.concatatom.eval) |  |  |  
  
- [ConcatAtom class](/content/docs/sdk/core.concatatom#concatatom-class/index.html)  
- [Constructors](/content/docs/sdk/core.concatatom#constructors/index.html)  
- [Methods](/content/docs/sdk/core.concatatom#methods/index.html)