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Easier cleanup on function return #334

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jclark opened this issue Sep 16, 2019 · 2 comments
Closed

Easier cleanup on function return #334

jclark opened this issue Sep 16, 2019 · 2 comments
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Area/Lang Relates to the Ballerina language specification Type/Improvement Enhancement to language design

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jclark commented Sep 16, 2019 •
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Go provides the defer statement which makes it easy for functions to ensure that cleanup (e.g. closing a file descriptor) is performed on any return from the function.

It would be nice if Ballerina provided similar functionality.

This may be related to the programming model for transactions #267.
@jclark jclark added Type/Improvement Enhancement to language design Area/Lang Relates to the Ballerina language specification labels Sep 16, 2019
@jclark jclark added this to the 2020Rn milestone Sep 16, 2019
@jclark jclark self-assigned this Sep 16, 2019
@jclark jclark changed the title Easier cleanup on error Easier cleanup on function return Sep 16, 2019
@jclark jclark mentioned this issue Sep 19, 2019
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@jclark jclark modified the milestones: 2020Rn, 2020R1 Sep 20, 2019
@jclark jclark mentioned this issue Feb 24, 2020
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jclark commented May 8, 2020

Swift has defer blocks.

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jclark commented Aug 6, 2020

We are dealing with this in #337.

@jclark jclark closed this as completed Aug 6, 2020
@jclark jclark removed this from the Swan Lake preview milestone Aug 6, 2020
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