created a visitor to unroll all types in the ast.  this will help avoid doing any allocation (and thus gc) during the cqual tree walk.
created a visitor to unroll all types in the ast.  this will help avoid doing any allocation (and thus gc) during the cqual tree walk.

samuelhavron/obliv-c,samuelhavron/obliv-c,samuelhavron/obliv-c,samuelhavron/obliv-c