diff options
Diffstat (limited to 'include/mbgl/style/filter.hpp')
| -rw-r--r-- | include/mbgl/style/filter.hpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/mbgl/style/filter.hpp b/include/mbgl/style/filter.hpp index c9dc9fb1ec..e0623a20d4 100644 --- a/include/mbgl/style/filter.hpp +++ b/include/mbgl/style/filter.hpp @@ -28,6 +28,8 @@ public: bool operator()(const expression::EvaluationContext& context) const; + operator bool() const { return expression || legacyFilter; } + friend bool operator==(const Filter& lhs, const Filter& rhs) { if (!lhs.expression || !rhs.expression) { return lhs.expression == rhs.expression; |