public override AstNode ShallowClone()
{
var res = new AstBlockStatement(Source, Start, End);
res.Body.AddRange(Body.AsReadOnlySpan());
return(res);
}
static AstBlockStatement MakeBlockStatement(AstStatement statement)
{
if (statement is AstBlockStatement blockStatement)
{
return(blockStatement);
}
var res = new AstBlockStatement(statement);
res.Body.Add(statement);
return(res);
}