Implement static data types

[ggb-sw]

Summary

Although nim allows static functions that can be executed at compile time, what it lacks (and exists in other languages) are static data types.

At present it is possible to get around this with:

var global_variable: string

proc some_function(value: string) =
  if global_variable == "": global_variable = value
  return global_variable

But it would be tidier (i.e. not polluting the global namespace) if one could code the same as thing as:

proc some_function(value: string) =
  static local_static: string
  if local_static == "": local_static = value
  return local_static

Description

Both for simple memorization and for cumulative totals, and to do this without polluting global namespace.

Alternatives

No response

Examples

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Backwards Compatibility

No response

Links

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[beef331]

{.global.}

[ggb-sw]

Thanks.