Demo Macros

Below are a few example uses of macros that are implemented (together with test cases!) in the macropy and macropy/experimental folders. These are also the ideal places to go look at to learn to write your own macros: check out the source code of the String Interpolation or Quick Lambda macros for some small (<30 lines), self contained examples. Their unit:repo:` tests demonstrate how these macros are used.

Feel free to open up a REPL and try out the examples in the console; simply import macropy.console, and most of the examples should work right off the bat when pasted in! Macros in this section are also relatively stable and well-tested, and you can rely on them to work and not to suddenly change from version to version.

Contents:

• Case Classes
  • Body Initializer
  • Defaults, *args and **kwargs
  • Inheritance
  • Overriding
  • Limitations
• Enums
  • Definition of Instances
  • Complex Enums
• Quick Lambdas
• Lazy
• Interned
• String Interpolation
• Tracing
  • Smart Asserts
  • show_expanded
• MacroPEG Parser Combinators
  • Basic Combinators
  • Transforming values using //
  • Binding Values using >>
  • Cut
  • Full Example