public BoundTuple(ImmutableArray <BoundExpression> expressions, bool isReadOnly = false)
{
Expressions = expressions;
IsReadOnly = isReadOnly;
var types = expressions.Select(expr => expr.ValueType).ToImmutableArray();
ValueType = new TupleSymbol(types);
}
public static TupleSymbol MakePrefixedTuple(Signature signature, string parameterName, IReadOnlyList <Expression> args, TupleSymbol baseTuple)
{
var functionPrefix = ((FunctionSymbol)signature.Symbol).ResultNamePrefix ?? signature.Symbol.Name;
var argumentPrefix = GetExpressionResultName(GetArgument(args, signature, parameterName));
return(new TupleSymbol(baseTuple.Columns.Select(c => new ColumnSymbol(MakeColumnName(functionPrefix, argumentPrefix, c.Name), c.Type))));
}