/// <summary>
/// Get the value of the metadata, by metadata kind (aka column name).
/// </summary>
public void GetValue <TValue>(string kind, ref TValue value)
{
var column = Schema.GetColumnOrNull(kind);
if (column == null)
{
throw new InvalidOperationException("Invalid call to GetMetadata");
}
GetGetter <TValue>(column.Value.Index)(ref value);
}
/// <summary>
/// Get the value of an annotation, by annotation kind (aka column name).
/// </summary>
public void GetValue <TValue>(string kind, ref TValue value)
{
var column = Schema.GetColumnOrNull(kind);
if (column == null)
{
throw new InvalidOperationException($"Invalid call to '{nameof(GetValue)}'");
}
GetGetter <TValue>(column.Value)(ref value);
}