Ryan Kramer default-kramer

## continuation-lessons.md

      
        
          
            
              
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                jackfirth
                / continuation-lessons.md
            
            
              Last active
              August 9, 2024 02:59
            
              
                Examples of how to build control flow structures with continuations
              
          
        
      
        
  
      
    Lessons in Using Continuations

This gist contains examples of how to build different kinds of control flow structures in Racket using macros and continuations. Examples include:

Early exit from functions using a return statement.
Early exit from arbitrary expressions using a simple exception system.
Temporarily interrupting execution in order to check permissions.