public static bool Peek <T>(this ICapture <T> segment, out T value)
{
// growing parent segements is the responsibility of the parent segement
if (!segment.CanGrow())
{
value = default;
return(false);
}
// calculate the index of the parent where the peek element is located
var index = segment.Count + segment.Offset;
value = segment.Parent[index];
return(true);
}
public static bool Grow <T>(this ICapture <T> segment)
{
// we can only grow child segments
if (!segment.CanGrow())
{
return(false);
}
if (segment.IsReadOnly)
{
return(false);
}
segment.Count++;
return(true);
}