20 lines
441 B
JavaScript

"use strict";
const Expression = require('./expression');
class NotExp extends Expression {
constructor(subExpression) {
super();
this.subExpression = subExpression;
}
execute(inputNoteSet, executionContext, searchContext) {
const subNoteSet = this.subExpression.execute(inputNoteSet, executionContext, searchContext);
return inputNoteSet.minus(subNoteSet);
}
}
module.exports = NotExp;