Remove "using namespace"

[simgrid.git] / include / xbt / config.hpp

diff --git a/include/xbt/config.hpp b/include/xbt/config.hpp
index 5187bcd..8200bf0 100644 (file)
--- a/include/xbt/config.hpp
+++ b/include/xbt/config.hpp
@@ -7,6 +7,8 @@
 #ifndef _XBT_CONFIG_HPP_
 #define _XBT_CONFIG_HPP_
 
+#include <xbt/base.h>
+
 #include <cstdlib>
 
 #include <functional>
@@ -22,6 +24,15 @@
 namespace simgrid {
 namespace config {
 
+XBT_PUBLIC_CLASS missing_key_error : public std::runtime_error {
+public:
+  explicit missing_key_error(const std::string& what)
+    : std::runtime_error(what) {}
+  explicit missing_key_error(const char* what)
+    : std::runtime_error(what) {}
+  ~missing_key_error() override;
+};
+
 template<class T> inline
 std::string to_string(T&& value)
 {
@@ -93,7 +104,6 @@ void alias(std::initializer_list<const char*> names)
 template<class T>
 void bindFlag(T& value, const char* name, const char* description)
 {
-  using namespace std;
   declareFlag<T>(name, description, value, [&value](T const& val) {
     value = val;
   });
@@ -114,7 +124,7 @@ void bindFlag(T& value, std::initializer_list<const char*> names, const char* de
  *    if (x < x_min || x => x_max)
  *      throw std::range_error("must be in [x_min, x_max)")
  *  });
- *  </pre><code>
+ *  </code></pre>
  */
 // F is a checker, F : T& -> ()
 template<class T, class F>
@@ -148,7 +158,7 @@ bindFlag(T& value, const char* name, const char* description,
  *  <pre><code>
  *  static int x;
  *  simgrid::config::bindFlag(a, "x", [](int x) { return return x > 0; });
- *  </pre><code>
+ *  </code></pre>
  */
 // F is a predicate, F : T const& -> bool
 template<class T, class F>
@@ -209,14 +219,22 @@ public:
   operator T const&() const{ return value_; }
 
   // Basic interop with T:
-  Flag& operator=(T const& that) { value_ = that; return *this; }
-  Flag& operator=(T && that)     { value_ = that; return *this; }
-  bool operator==(T const& that) const { return value_ == that; }
-  bool operator!=(T const& that) const { return value_ != that; }
-  bool operator<(T const& that) const { return value_ < that; }
-  bool operator>(T const& that) const { return value_ > that; }
-  bool operator<=(T const& that) const { return value_ <= that; }
-  bool operator>=(T const& that) const { return value_ >= that; }
+  template<class U>
+  Flag& operator=(U const& that) { value_ = that; return *this; }
+  template<class U>
+  Flag& operator=(U && that)     { value_ = that; return *this; }
+  template<class U>
+  bool operator==(U const& that) const { return value_ == that; }
+  template<class U>
+  bool operator!=(U const& that) const { return value_ != that; }
+  template<class U>
+  bool operator<(U const& that) const { return value_ < that; }
+  template<class U>
+  bool operator>(U const& that) const { return value_ > that; }
+  template<class U>
+  bool operator<=(U const& that) const { return value_ <= that; }
+  template<class U>
+  bool operator>=(U const& that) const { return value_ >= that; }
 };
 
 }