<error>
message: The high-level error message
class:   `rlang_error`
fields:  `message`, `trace` and `parent`
backtrace:
     █
  1. ├─rlang::catch_cnd(a())
  2. │ ├─rlang::eval_bare(...)
  3. │ ├─base::tryCatch(...)
  4. │ │ └─base:::tryCatchList(expr, classes, parentenv, handlers)
  5. │ │   └─base:::tryCatchOne(expr, names, parentenv, handlers[[1L]])
  6. │ │     └─base:::doTryCatch(return(expr), name, parentenv, handler)
  7. │ └─base::force(expr)
  8. └─rlang:::a()
  9.   ├─base::tryCatch(b())
 10.   │ └─base:::tryCatchList(expr, classes, parentenv, handlers)
 11.   └─rlang:::b()
 12.     └─rlang:::c()
<error: parent>
message: The low-level error message
class:   `rlang_error`
fields:  `message`, `trace`, `parent` and `foo`
backtrace:
    █
 1. └─rlang:::f()
 2.   ├─base::tryCatch(g())
 3.   │ └─base:::tryCatchList(expr, classes, parentenv, handlers)
 4.   └─rlang:::g()
 5.     └─rlang:::h()
