FirstPerson: /* Namespaces.cpp */

2010-06-29T04:27:09Z

‎Namespaces.cpp

Daviddoria: Created page with '==Namespaces.cpp== #include namespace Namespaces { double add(const double a, const double b) { return a + b; } } int main(int argc, c…'

2010-06-23T12:46:21Z

Created page with '==Namespaces.cpp== <source lang="cpp"> #include <iostream> namespace Namespaces { double add(const double a, const double b) { return a + b; } } int main(int argc, c…'

New page

==Namespaces.cpp==
<source lang="cpp">
#include <iostream>

namespace Namespaces
{
double add(const double a, const double b)
{
return a + b;
}
}

int main(int argc, char *argv[])
{

//cout << add(3.4, 4.2); //does not work - "add was not declared in this scope"

std::cout << Namespaces::add(3.4, 4.2);

return 0;
}

</source>

@@ Line 2: / Line 2: @@
 <source lang="cpp">
 #include <iostream>
-namespace Namespaces
+namespace Math{
+	bool isOdd(const int n){ return (n & 1) == 1; }
-  double add(const double a, const double b)
+	bool isEven(const int n){ return !isOdd(n); }
+	static const float PI = 3.1415f;
-	  return a + b;
+	static const float DEGTORAD = PI/180.0f;
-−
+}
-int main(int argc, char *argv[])
+int main(){
+	//use the scope operator, :: , to access a function or variable;
+}
 </source>

CPP/Namespaces - Revision history

FirstPerson: /* Namespaces.cpp */

Daviddoria: Created page with '==Namespaces.cpp== #include namespace Namespaces { double add(const double a, const double b) { return a + b; } } int main(int argc, c…'