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CEL Go Discussion Forum

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1–30 of 87

Welcome to CEL Go Discuss!

Feel free to ask questions about the language, implementation, suspected bugs, and desired features.

-The CEL Maintainers

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Dan Kortschak, Tristan Swadell5

10/21/24

Capturing executed node ID during run time

On Fri, 2024-09-06 at 04:53 +0000, 'Dan Kortschak' via CEL Go Discussion Forum wrote: >

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Capturing executed node ID during run time

On Fri, 2024-09-06 at 04:53 +0000, 'Dan Kortschak' via CEL Go Discussion Forum wrote: >

10/21/24

Dan Kortschak, Tristan Swadell6

7/26/24

recovering syntax from an AST

On Sun, 2024-05-05 at 06:15 +0000, 'Dan Kortschak' via CEL Go Discussion Forum wrote: > I

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recovering syntax from an AST

On Sun, 2024-05-05 at 06:15 +0000, 'Dan Kortschak' via CEL Go Discussion Forum wrote: > I

7/26/24

Demontiê Junior, Tristan Swadell3

7/25/24

Get variables associated to the eval details

Hi Demontiê, The variables should definitely come back as identifiers, unless there's something

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Get variables associated to the eval details

Hi Demontiê, The variables should definitely come back as identifiers, unless there's something

7/25/24

mohit nagpal, Tristan Swadell4

7/25/24

using custom pb type for expression error

Hi Mohit, The error message and the test setup don't appear to be quite the same. The type

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using custom pb type for expression error

Hi Mohit, The error message and the test setup don't appear to be quite the same. The type

7/25/24

James Thompson, Tristan Swadell2

7/17/24

Mapping over a map

Hi James, By the end of this quarter, the plan is to have a v2 of comprehensions to support map ->

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Mapping over a map

Hi James, By the end of this quarter, the plan is to have a v2 of comprehensions to support map ->

7/17/24

Dan Kortschak

7/3/24

possible type analysis issue with map macro?

I have a program that I believe should compile but does not. ``` [ "one", "two",

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possible type analysis issue with map macro?

I have a program that I believe should compile but does not. ``` [ "one", "two",

7/3/24

Dan Kortschak, Tristan Swadell9

4/15/24

possible to type convert/assert to a map?

I'm a bit surprised that I wasn't able to repro it with the old method, but I'm glad the

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possible to type convert/assert to a map?

I'm a bit surprised that I wasn't able to repro it with the old method, but I'm glad the

4/15/24

Dan Kortschak, Tristan Swadell6

3/18/24

disagreement between spec and Go implementation for macros over maps

Hi Dan, We'll preserve all existing behaviors as well. -Tristan On Fri, Mar 15, 2024 at 1:02 PM

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disagreement between spec and Go implementation for macros over maps

Hi Dan, We'll preserve all existing behaviors as well. -Tristan On Fri, Mar 15, 2024 at 1:02 PM

3/18/24

Andy Maule, Tristan Swadell4

2/29/24

Expression size limitations

Hi Andy, The codepoint limit is from the parser. You can adjust it, though I may not have exposed

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Expression size limitations

Hi Andy, The codepoint limit is from the parser. You can adjust it, though I may not have exposed

2/29/24

Andy Maule, Tristan Swadell2

2/28/24

switch case semantics

Hi Andy, Internally, we've been discussing switch-case / if-elseif-else style macros mostly to

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switch case semantics

Hi Andy, Internally, we've been discussing switch-case / if-elseif-else style macros mostly to

2/28/24

James Thompson, Tristan Swadell2

2/1/24

Proto optional fields

Hi James, Happy to hear that you're exploring CEL. I believe that the type of the field is not

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Proto optional fields

Hi James, Happy to hear that you're exploring CEL. I believe that the type of the field is not

2/1/24

Dan Kortschak

1/15/24

query re the estimated time frame for next release

Hi, I'm wondering if there is a planned time frame for the next cel-go release? thanks Dan

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query re the estimated time frame for next release

Hi, I'm wondering if there is a planned time frame for the next cel-go release? thanks Dan

1/15/24

Dan Kortschak, Tristan Swadell6

11/21/23

runtime error source location decoration

On Tue, 2023-11-21 at 11:32 -0800, 'Tristan Swadell' via CEL Go Discussion Forum wrote: >

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runtime error source location decoration

On Tue, 2023-11-21 at 11:32 -0800, 'Tristan Swadell' via CEL Go Discussion Forum wrote: >

11/21/23

Mohit Nagpal, Tristan Swadell4

11/13/23

using inline vars in expressions

Hi Mohit, You are welcome to look at the structure of the `cel/inlining_test.go` which should give

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using inline vars in expressions

Hi Mohit, You are welcome to look at the structure of the `cel/inlining_test.go` which should give

11/13/23

Dan Kortschak, Tristan Swadell5

11/2/23

testing map key existence

Hi Dan, Optional types are backwards compatible. Cheers, -Tristan On Wed, Nov 1, 2023 at 5:32 PM

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testing map key existence

Hi Dan, Optional types are backwards compatible. Cheers, -Tristan On Wed, Nov 1, 2023 at 5:32 PM

11/2/23

Mohit Nagpal, Tristan Swadell3

9/18/23

Nested filtering using CEL.

under payload[b] there are sellerid1, selleride2 keys and city key is below that level. On Mon, Sep

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Nested filtering using CEL.

under payload[b] there are sellerid1, selleride2 keys and city key is below that level. On Mon, Sep

9/18/23

Dan Kortschak, Tristan Swadell4

8/23/23

type conversion int -> duration and int (milli/nano) -> timestamp

On Wed, 2023-08-23 at 16:11 -0700, 'Tristan Swadell' via CEL Go Discussion Forum wrote: >

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type conversion int -> duration and int (milli/nano) -> timestamp

On Wed, 2023-08-23 at 16:11 -0700, 'Tristan Swadell' via CEL Go Discussion Forum wrote: >

8/23/23

An Wa, Tristan Swadell2

7/31/23

Is there a way to rename default declarations?

I would recommend creating a separate namespaced variable / function rather than try to rename CEL

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Is there a way to rename default declarations?

I would recommend creating a separate namespaced variable / function rather than try to rename CEL

7/31/23

Dan Kortschak, Tristan Swadell3

6/27/23

asserting a dyn to a map type

On Mon, 2023-06-26 at 11:44 -0700, 'Tristan Swadell' via CEL Go Discussion Forum wrote: >

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asserting a dyn to a map type

On Mon, 2023-06-26 at 11:44 -0700, 'Tristan Swadell' via CEL Go Discussion Forum wrote: >

6/27/23

Matheus de Faria Moraes

6/23/23

CEL Playground

Hi everyone, I want to share CEL Playground! A web-based environment built with WASM to quickly test

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CEL Playground

Hi everyone, I want to share CEL Playground! A web-based environment built with WASM to quickly test

6/23/23

Chance Zibolski, Tristan Swadell3

6/22/23

Support for list/array slicing?

Hi Chance, Feel free to submit a PR to the `ext` package and we can go from there. Cheers, -Tristan

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Support for list/array slicing?

Hi Chance, Feel free to submit a PR to the `ext` package and we can go from there. Cheers, -Tristan

6/22/23

Chirag Sharma, Charith Ellawala2

6/16/23

Define custom datatype in cel.NewEnv

Is your `Actor` type a protobuf? If so you can do something like this: env, err := cel.NewEnv(cel.

unread,

Define custom datatype in cel.NewEnv

Is your `Actor` type a protobuf? If so you can do something like this: env, err := cel.NewEnv(cel.

6/16/23

Chirag Sharma, Tristan Swadell2

6/13/23

CEL syntax

Hi Chirag, The `test-user-access` field is not a valid identifier, so if you are using a map, I'd

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CEL syntax

Hi Chirag, The `test-user-access` field is not a valid identifier, so if you are using a map, I'd

6/13/23

Dan Kortschak, Tristan Swadell3

5/30/23

query post v0.12.0 cel.Library construction

On Tue, 2023-05-30 at 08:42 -0700, 'Tristan Swadell' via CEL Go Discussion Forum wrote: >

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query post v0.12.0 cel.Library construction

On Tue, 2023-05-30 at 08:42 -0700, 'Tristan Swadell' via CEL Go Discussion Forum wrote: >

5/30/23

Vyom Yadav, Tristan Swadell2

5/30/23

How is typeName mapped to exact type in implementation?

Hi Vyom, Sorry for the late reply, The type-name would be the protobuf type name, so proto package `

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How is typeName mapped to exact type in implementation?

Hi Vyom, Sorry for the late reply, The type-name would be the protobuf type name, so proto package `

5/30/23

Michael Diao, Tristan Swadell2

4/12/23

How is the ast cached in memory for concurrent scenario?

Hi Michael, The Ast is read-only post-compile, and is safe to share among processes. You can create

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How is the ast cached in memory for concurrent scenario?

Hi Michael, The Ast is read-only post-compile, and is safe to share among processes. You can create

4/12/23

Prathik Rajendran M, Tristan Swadell4

4/6/23

Is it possible to send the compiled AST over the wire?

Hi Prathik, You'll want to use `cel.AstToCheckedExpr()` to convert the AST to a protobuf, and

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Is it possible to send the compiled AST over the wire?

Hi Prathik, You'll want to use `cel.AstToCheckedExpr()` to convert the AST to a protobuf, and

4/6/23

Prathik Rajendran M, Dan Kortschak2

3/15/23

Syntactic sugar for multiple in tests on a list

On Tue, 2023-03-14 at 19:21 -0700, Prathik Rajendran M wrote: > Hi, > > Is there any better

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Syntactic sugar for multiple in tests on a list

On Tue, 2023-03-14 at 19:21 -0700, Prathik Rajendran M wrote: > Hi, > > Is there any better

3/15/23

Dolly Gyanchandani, Tristan Swadell2

2/17/23

How to do string replace and cast to int

Hi Dolly, I'm not super familiar with the setup for KrakenD, but could you tell me what issue you

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How to do string replace and cast to int

Hi Dolly, I'm not super familiar with the setup for KrakenD, but could you tell me what issue you

2/17/23

Aditya, Tristan Swadell3

2/2/23

Does cel-go support multiple returns?

Thanks Tristan On Wednesday, February 1, 2023 at 11:18:35 PM UTC+5:45 tswa...@google.com wrote: Hi

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Does cel-go support multiple returns?

Thanks Tristan On Wednesday, February 1, 2023 at 11:18:35 PM UTC+5:45 tswa...@google.com wrote: Hi

2/2/23