protected override bool TryParse(string str)
{
Contracts.AssertNonEmpty(str);
// We accept N:T:S where N is the new column name, T is the new type,
// and S is source column names.
string extra;
if (!base.TryParse(str, out extra))
{
return(false);
}
if (extra == null)
{
return(true);
}
InternalDataKind kind;
if (!TypeParsingUtils.TryParseDataKind(extra, out kind, out KeyCount))
{
return(false);
}
ResultType = InternalDataKind2DataKind(kind);
return(true);
}
private protected override bool TryParse(string str)
{
Contracts.AssertNonEmpty(str);
// We accept N:T:S where N is the new column name, T is the new type,
// and S is source column names.
if (!base.TryParse(str, out string extra))
return false;
if (extra == null)
return true;
if (!TypeParsingUtils.TryParseDataKind(extra, out DataKind kind, out KeyCount))
return false;
ResultType = kind == default ? default(DataKind?) : kind;
return true;
}