public bool Contains(Symbol symbol) { return this.Open == symbol || this.Close == symbol; }
public SymbolPair(Symbol open, Symbol close) { this.Open = open; this.Close = close; }
public bool Contains(Symbol symbol) { return this.Open == symbol || this.Close == symbol; }
public SymbolPair(Symbol open, Symbol close) { this.Open = open; this.Close = close; }