[Support] json::Value construction from std::vector<T> and std::map<string,T>.

Summary: Previously this required a conversion to json::Array/json::Object first.

Reviewers: ioeric

Subscribers: kristina, llvm-commits

Differential Revision: https://reviews.llvm.org/D53385

llvm-svn: 344732
GitOrigin-RevId: 5ee0188f2b87c7600ab2fef8f630efb75aeb57d5
2 files changed