type
ElnaLexerToken = record
kind: Word
end
ElnaLexerStringToken = record(ElnaLexerToken)
value: String
end
var
token_memory: ElnaLexerStringToken
current_token: ^ElnaLexerToken
begin
current_token := @token_memory;
cast(current_token: ^ElnaLexerStringToken)^.value := "Some string";
assert(token_memory.value = "Some string")
end.