c++ - 如何捕获 substr 异常？

Question

我正在使用 substr 来生成子字符串。我如何捕获 substr 异常？例如:

terminate called after throwing an instance of 'std::out_of_range'

Answer 1

像这样:

try
{
  /// use substr
}
catch( std::out_of_range& exception )
{
   // print out an error, and fail, or restart if appropriate.
}