--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: def_exception(n, m, s)
- !ruby/struct:SM::Flow::VERB 
  body: "        n:  exception_name\n        m:  message_form\n        s:      superclass(default: StandardError)\n    define exception named ``c'' with message m.\n"
full_name: Exception2MessageMapper#def_exception
is_singleton: false
name: def_exception
params: (n, m, s = StandardError)
visibility: public