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Posted to notifications@groovy.apache.org by "Mikko Värri (Jira)" <ji...@apache.org> on 2020/12/02 12:38:00 UTC
[jira] [Comment Edited] (GROOVY-9845) Safe star dot operator
[ https://issues.apache.org/jira/browse/GROOVY-9845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17242319#comment-17242319 ]
Mikko Värri edited comment on GROOVY-9845 at 12/2/20, 12:37 PM:
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Do you have a better example, because I can get the same result with:
{{[}}
{{ json.messages*.message,}}
{{ json.errors*.message ?: []}}
{{ ].flatten().join('\n')}}
was (Author: vmj):
Do you have a better example, because I can get the same result with:
{{
[
json.messages*.message,
json.errors*.message ?: []
].flatten().join('\n')
}}
> Safe star dot operator
> ----------------------
>
> Key: GROOVY-9845
> URL: https://issues.apache.org/jira/browse/GROOVY-9845
> Project: Groovy
> Issue Type: New Feature
> Components: syntax
> Reporter: rkrisztian
> Priority: Major
>
> Currently I would have to write code like this (in the Groovy Console) to be safe:
> {code:groovy}
> def json = [
> messages: [
> [message: 'test']
> ],
> errors: null
> ]
> [
> *(json.messages ? json.messages*.message : []),
> *(json.errors ? json.errors*.message : [])
> ].join('\n')
> {code}
> I would like to request for an operator like {{?\*.}} so I can write something like this:
> {code:groovy}
> [
> *(json.messages?*.message ?: []),
> *(json.errors?*.message ?: [])
> ].join('\n')
> {code}
> Not sure if it can be simplified further, but that's the idea.
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