On this page:
network-error
exn->string

5 Exceptions

 (require unstable/exn)

This library is unstable; compatibility will not be maintained. See Unstable for more information.

(network-error s fmt v ...)  void
  s : symbol?
  fmt : string?
  v : any/c
Like error, but throws a exn:fail:network.

(exn->string exn)  string?
  exn : (or/c exn? any/c)
Formats exn with (error-display-handler) as a string.