private bool TryParseValue(out DecimalValue val)
{
var startPos = _pos;
while (TryPeekCharSpan(out var span) &&
span.IsAsciiDigit())
{
_pos += 1;
}
val = new DecimalValue(_input.Range(startPos, _pos));
return(startPos != _pos);
}
private bool TrySampleValue(out DecimalValue?value)
{
var x = new StringBuilder();
if (!TryParseValueAsStr(out var preDot))
{
value = null;
return(false);
}
x.Append(preDot);
if (TryConsume('.'))
{
if (!TryParseValueAsStr(out var postDot))
{
value = null;
return(false);
}
x.Append('.');
x.Append(postDot);
}
if (!TryConsumeExp(x))
{
value = null;
return(false);
}
var number = x.ToString();
if (number.Contains('e'))
{
number = Double.Parse(number).ToString(CultureInfo.InvariantCulture);
}
value = new DecimalValue(number);
return(true);
}
public SampleRange(DecimalValue lower, DecimalValue?upper)
{
Lower = lower;
Upper = upper;
}
