Re: [tlaplus] Re: Parse Error

Thanks for the assistance.

First of all, you have a trailing comma after the Order constant
1. I removed that and corrected some spelling mistakes.
2. it still gave parse error.
3. I changed it to
4. VARIABLES values, versions, deleted, keys
  
  TypeOK == /\ values \in [0..MaxKeys-1]
  /\ versions \in [0..MaxKeys-1]
  /\ deleted \in [0..MaxKeys-1]
  /\ keys \in [0..MaxKeys-1]
Second, I hope you spec is properly structured and contains the sequence of "=" to properly mark the ending of the module
1. Yes I have the Next and Spec at the end with "===" following.
What are you trying to declare with the variables, is your intention to declare some arrays of given length?
1. I am trying to specify a storage engine with CRUD with soft delete and versioning.

On Monday, January 23, 2023 at 6:28:04 PM UTC+2 hwa...@xxxxxxxxx wrote:

Hi Khoa,

What are you learning TLA+ from? Start with a spec in that book and change it to be like what you want. Then you'll see the right syntax for things and get fewer parse errors.

H

On 1/23/2023 1:20 AM, Clifford Heath wrote:

Also, Integers or Intergers?

Clifford Heath

On Mon, 23 Jan 2023, 16:36 hornace...@xxxxxxxxx, <hornace...@xxxxxxxxx> wrote:

Hi,

here are some things to have a look at.

First of all, you have a trailing comma after the Order constant

Second, I hope you spec is properly structured and contains the sequence of "=" to properly mark the ending of the module

What are you trying to declare with the variables, is your intention to declare some arrays of given length?

M.

Dátum: nedeľa 22. januára 2023, čas: 23:45:34 UTC+1, odosielateľ: Khoa Goodwill

Hi I am getting thiis error and do not know what it is?

--------------------------- MODULE StorageEngine ---------------------------
EXTENDS TLC, Intergers, Sequences

CONSTANTS
MaxKeys, Order,

VARIABLES
values[0..MaxKeys-1],
versions[0..MaxKeys-1],
deleted[0..MaxKeys-1],
keys[0..MaxKeys-1]

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