public string AssignFunction(string symbol, CalcFunction function)
{
symbol.ThrowIfNullOrWhiteSpace(nameof(symbol));
if (function == null)
{
throw new ArgumentNullException(nameof(function));
}
functions[symbol] = function;
return(symbol);
}
public FunctionMetadata(CalcFunction func, CalcFuncToken token)
{
ArgCounter = 1;
this.func = func;
this.token = token;
}
public CalcFuncToken New(CalcFunction func)
{
return(new CalcFuncToken(func, Value, OriginIndex));
}
public bool Function(string symbol, out CalcFunction function)
{
symbol.ThrowIfNullOrWhiteSpace(nameof(symbol));
return(functions.TryGetValue(symbol, out function));
}
public CalcFuncToken(CalcFunction func, string val, int originIdx) :
base(TokenType.Function, val, originIdx)
{
f = func;
}