Cling a C++11 interpreter

“A C++11 REPL may sound strange, after all C++ is generally seen as a compiled language. However, any programming language can be implemented as a compiler or as an interpreter and Cling happens to be an interactive C++ interpreter based on LLVM and Clang.

If you’ve ever programmed in a language that can be used in a Read-eval-print-loop or REPL you already know what productivity boost can be to be able to test an idea without waiting for your build system to compile your code. Even with tools like make you need sometimes to wait from a few seconds to a few minutes just to see the effects of some small change in a particular piece of code…”

http://solarianprogrammer.com/2012/08/14/cling-cpp-11-interpreter