pkg> add https://github.com/Gnimuc/ClangCompiler.jl.git
import ClangCompiler as CC
I = CC.create_interpreter(["-include", "vector"])
decl_lookup = CC.DeclFinder(I)
@assert decl_lookup(I, "std::vector")
decl = CC.get_decl(decl_lookup)
CC.dump(decl)
CC.dispose(decl_lookup)
CC.dispose(I)