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gomacro - A Go interpreter with Lisp-like macros

The package classic contains the original old, small (and slow) implementation of gomacro interpreter.

For the current fast interpreter, see ../fast/README.md.

To learn about gomacro, download, compile and use it, please refer to the main README.md

Current Status

STABLE.

Features and limitations

The classic interpreter has some additional limitations with respect to the fast one. Most notably:

  • untyped constants and arithmetic on them, as 1<<100, are evaluated as typed constants.
  • types are not accurate when mixing untyped constants with typed values, i.e. uint8(10) + 1 gives uint64(11) instead of uint8(11).
  • interpreted interfaces are not functional (they can only be declared).
  • interpreted types cannot implement compiled interfaces.
  • struct tags are ignored.
  • support for embedded fields in structs is very limited - they mostly work as non-embedded fields.