From 75feda12f17dececadf72986c45af78fe18afc56 Mon Sep 17 00:00:00 2001
From: Chris Loer <chris.loer@gmail.com>
Date: Thu, 8 Feb 2018 15:23:29 -0800
Subject: [core] Implement Expression::serialize() Issue #10714 - Each
 expression stores its operator as a string, and default serialization is
 [operator, serialize(child1), ...] - Custom implementations of `serialize`
 for Expression types that don't follow the pattern - expression::Value ->
 mbgl::Value converter - node_expression bindings to expose `serialize`

---
 include/mbgl/style/expression/equals.hpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/mbgl/style/expression/equals.hpp')

diff --git a/include/mbgl/style/expression/equals.hpp b/include/mbgl/style/expression/equals.hpp
index 80550bd59d..54df890a68 100644
--- a/include/mbgl/style/expression/equals.hpp
+++ b/include/mbgl/style/expression/equals.hpp
@@ -21,6 +21,7 @@ public:
     EvaluationResult evaluate(const EvaluationContext&) const override;
     std::vector<optional<Value>> possibleOutputs() const override;
 
+    std::string getOperator() const override { return negate ? "!=" : "=="; }
 private:
     std::unique_ptr<Expression> lhs;
     std::unique_ptr<Expression> rhs;
-- 
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