SymbolIndex Type

Namespace: FsLexYacc.FsYacc

Assembly: FsYacc.Core.dll

Parent Module: AST

Abbreviation For: int

Base Type: ValueType

All Interfaces: IComparable , IComparable<int> , IConvertible , IEquatable<int> , ISpanFormattable , IFormattable

 Representation of Symbols.
 Ideally would be declared as
    type SymbolIndex = PTerminal of TerminalIndex | PNonTerminal of NonTerminalIndex
 but for performance reasons we embed as a simple integer (saves ~10%)

 We use an active pattern to reverse the embedding.