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Remove the older syntax 'sum integer of...' from the syntax sheet as a first step to deprecation
denismerigoux
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Jan 22, 2026
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Very nice, thanks!
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in Catala - language & tooling
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and remove the older syntax 'sum integer of...' from the syntax sheet as a first step to deprecation.
The syntax is still supported, but the parser was patched to no longer recognise
sumas a keyword outside of thesum <type> ofconstruct. Therefore, the change shouldn't be breaking, but leave the time to replace the old syntax with the call to the stdlib functions.The
Durationstdlib module was also added, since it wasn't there yet andsum duration of ...is supported.The tools and grammars don't need any change (this doesn't add syntax, and they're not affected by
sumappearing in places where it's not a keyword).A PR updating the book to advertise the new syntax instead of the old one is proposed at CatalaLang/catala-book#45