How can I inspect variable values while debugging MSVC ABI Rust programs?

Question

I\'ve downloaded the MSVC ABI version of Rust 1.7.0 and followed the guessing game section from the docs.

I notice that the builds use the native toolchain (Visual S

Answer 1

Features don't exist until they're implemented. Rust is built upon LLVM and full PDB support has only recently been considered for LLVM. For now LLVM has only a limited PDB support, with the limitations best described on the Clang project's MSVC compatibility page. In my opinion, it's best to wait until the support is there, although for other programming languages interesting workarounds have been implemented.