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authorJohn Firebaugh <john.firebaugh@gmail.com>2018-01-05 12:40:54 -0800
committerJohn Firebaugh <john.firebaugh@gmail.com>2018-01-10 15:31:12 -0800
commit76ed5079a547e9f98616a9401c8814d224cec9d8 (patch)
tree4bad1bcefd0744a0262d6973b825a977fa2cfe45 /include/mbgl/style/expression/coercion.hpp
parent158bd5e08cae5974a9c587677d7d8e63a36a5ff0 (diff)
downloadqtlocation-mapboxgl-76ed5079a547e9f98616a9401c8814d224cec9d8.tar.gz
[core, ios, macos, android] Add data-driven-styling support for `text-font`
Diffstat (limited to 'include/mbgl/style/expression/coercion.hpp')
-rw-r--r--include/mbgl/style/expression/coercion.hpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/mbgl/style/expression/coercion.hpp b/include/mbgl/style/expression/coercion.hpp
index 665bb7ce7c..40d2490186 100644
--- a/include/mbgl/style/expression/coercion.hpp
+++ b/include/mbgl/style/expression/coercion.hpp
@@ -1,6 +1,8 @@
#pragma once
+
#include <mbgl/style/expression/expression.hpp>
#include <mbgl/style/conversion.hpp>
+
#include <memory>
#include <vector>
@@ -23,6 +25,9 @@ public:
void eachChild(const std::function<void(const Expression&)>& visit) const override;
bool operator==(const Expression& e) const override;
+
+ std::vector<optional<Value>> possibleOutputs() const override;
+
private:
EvaluationResult (*coerceSingleValue) (const Value& v);
std::vector<std::unique_ptr<Expression>> inputs;