Implement a debug print for LayerData.

src/LayerData.cpp

@@ -63,3 +63,23 @@ LayerData::Type LayerData::typeFromString(string_view typeName)
 		return Type::Other;
 	}
 }
+
+ostream& operator<< (ostream& o, const LayerData& layer)
+{
+    o << layer.name() << '(';
+    bool first = true;
+
+    for (auto d : layer.shape()) {
+        if (!first) {
+            o << ", ";
+        } else {
+            first = false;
+        }
+
+        o << d;
+    }
+
+    o << ')';
+
+    return o;
+}

src/LayerData.hpp

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <iostream>
 #include <memory>
 #include <string>
 #include <string_view>
@@ -7,8 +8,10 @@
 
 #include "utils.hpp"
 
-namespace fmri {
+namespace fmri
+{
 
+    using std::ostream;
     using std::string;
     using std::string_view;
     using std::unique_ptr;
@@ -17,7 +20,8 @@ namespace fmri {
     class LayerData
     {
     public:
-			enum class Type {
+        enum class Type
+        {
             Input,
             Convolutional,
             ReLU,
@@ -26,17 +30,17 @@ namespace fmri {
             Other
         };
 
-			LayerData(const string& name, const vector<int>& shape, const DType* data, Type type);
-			LayerData(const LayerData&) = delete;
-			LayerData(LayerData&&) = default;
+        LayerData(const string &name, const vector<int> &shape, const DType *data, Type type);
+        LayerData(const LayerData &) = delete;
 
-			LayerData& operator=(const LayerData&) = delete;
-			LayerData& operator=(LayerData&&) = default;
+        LayerData(LayerData &&) = default;
+        LayerData &operator=(const LayerData &) = delete;
+        LayerData &operator=(LayerData &&) = default;
 
-			const string& name() const;
+        const string &name() const;
         Type type() const;
-			const vector<int>& shape() const;
-			DType const * data() const;
+        const vector<int> &shape() const;
+        DType const *data() const;
         size_t numEntries() const;
 
         static Type typeFromString(string_view name);
@@ -48,3 +52,5 @@ namespace fmri {
         Type type_;
     };
 }
+
+std::ostream& operator<<(std::ostream&, const fmri::LayerData&);