ALGOL 68R - Restrictions in The Language Compiled

Restrictions in The Language Compiled

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In order to allow one pass compilation ALGOL 68-R implemented a sub-set of the language defined in the original report:

  1. Identifiers, modes and operators must be specified before use.
  2. No automatic proceduring.
  3. Explicit void mode.
  4. No formal declarers.
  5. No parallel processing.
  6. goto may not be omitted.
  7. Uniting is only valid in strong positions.

Many of these restrictions were adopted by the revised report on ALGOL 68.

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