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							- import { Expression } from './expression';
 
- export class InfixApp extends Expression {
 
-   constructor(op, left, right) {
 
-     super();
 
-     this.op = op;
 
-     this.left = left;
 
-     this.right = right;
 
-   }
 
-   toString () {
 
-     const l = this.left.toString();
 
-     const op = this.op.value;
 
-     const r = this.right.toString();
 
-     return l + op + r;
 
-   }
 
- }
 
 
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