Print all exceptions : Modules Creation « Language Basics « Ruby






  1. Ruby
  2. Language Basics
  3. Modules Creation

Print all exceptions

puts Module.constants.sort.select {|x|
  c = eval(x.to_s)
  c.instance_of? Class and c.ancestors.include? Exception
}








Related examples in the same category

1.Modules and Namespaces
2.Modules provide a structure to collect Ruby classes, methods, and constants into a single, separately named and defined unit.
3.Creating Modules
4.store classes inside modules.
5.access methods inside classes inside modules with Ruby scope resolution operator (::)
6.Involve demonstrating two classes with the same name, but in different modules
7.how to create a module and then include it in a class.
8.require the file containing the module, and then it would work (again, require is expecting a name in the load path).
9.prefixed with the module name you can call the method from anywhere, as is the case with the Math module.
10.Initializing Instance Variables Defined by a Module
11.Abstract method in a module
12.Use remove_const to delete a constant definition
13.Avoiding Naming Collisions with Namespaces
14.Print all modules (excluding classes)
15.Print all classes (excluding exceptions)