Add a rust_str typedef to the runtime. Issue #855

src/rt/rust_util.h

@@ -188,11 +188,13 @@ inline void reserve_vec(rust_task* task, rust_vec** vpp, size_t size) {
     }
 }
 
-inline rust_vec *
+typedef rust_vec rust_str;
+
+inline rust_str *
 make_str(rust_kernel* kernel, char* c, size_t strlen, const char* name) {
     size_t str_fill = strlen + 1;
     size_t str_alloc = str_fill;
-    rust_vec *str = (rust_vec *)
+    rust_str *str = (rust_str *)
         kernel->malloc(vec_size<char>(str_fill), name);
     str->fill = str_fill;
     str->alloc = str_alloc;