12 is contructed from the number 12
2.320 is contructed from the number 2.32
String 42 converts into number 42
String 3.1415 converts into number 3.1415
String not a number converts into number 0
String not a number converts into number 0
String This is a String converts into std::string This is a String
PASS string_convert (exit status: 0)