RStudio 1.2 Preview: C/C++ and Rcpp

This is a companion discussion topic for the original entry at

We’ve now discussed the improved support in RStudio v1.2 for SQL, D3, and Python. Today, we’ll talk about IDE support for C/C++ and Rcpp.
The IDE has had excellent support for C/C++ since RStudio v0.99, including:
Tight integration with the Rcpp package Code completion Source diagnostics as you edit Code snippets Auto-indentation Navigable list of compilation errors Code navigation (go to definition) The major new C/C++ feature in RStudio v1.