remove a unused variable.

9e223c3a · Guolin Ke · GitHub · b6cb1558 · 9e223c3a
Unverified Commit 9e223c3a authored Jan 11, 2018 by Guolin Ke Committed by GitHub Jan 11, 2018
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src/metric/map_metric.hpp src/metric/map_metric.hpp +0 -1

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--- a/src/metric/map_metric.hpp
+++ b/src/metric/map_metric.hpp
@@ -32,7 +32,6 @@ public:
  }

  void Init(const Metadata& metadata, data_size_t num_data) override {
-    std::stringstream str_buf;
    for (auto k : eval_at_) {
      name_.emplace_back(std::string("map@") + std::to_string(k));
    }