ridl-syntax 0.11.0

The RIDL family lexer and grammar: a lossless concrete syntax tree over rowan.
Documentation 
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// Enums and enum sets: standalone and derived forms, reserved value
// tombstones, modifiers (typl reference §8–§9).
package corpus.enums

enum GearPosition {
  PARK    = 0
  DRIVE   = 1
  REVERSE = 2
  NEUTRAL = 3
}

/// An enum with a retired wire value.
enum DoorState {
  CLOSED = 0
  OPEN   = 1
  reserved 2
  LOCKED = 3
}

error enum DiagError {
  FILTER_INVALID = 0
  STORAGE_BUSY   = 1
  ACCESS_DENIED  = 2
}

internal enum Probe {
  IDLE = 0
  BUSY = 1
}

enumset WarningFlags {
  LOW_FUEL     = 0
  CHECK_ENGINE = 1
  DOOR_OPEN    = 2
  SEATBELT     = 3
}

enum Warning {
  LOW_FUEL     = 0
  CHECK_ENGINE = 1
}

enumset DerivedFlags : Warning

internal enumset LocalFlags : corpus.other.Warning