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Optimize syntax tree size of Punctuated #1406

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dtolnay wants to merge 1 commit into master from shrink

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dtolnay commented Mar 17, 2023

This is a substantial improvement in the size of all the syntax tree types (Expr, Item, Type, Pat) by 20-30%.

It ends up only being a 2-3% performance improvement on benchmarks.


          Optimize syntax tree size of Punctuated

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dtolnay closed this

dtolnay deleted the shrink branch

March 17, 2023 19:50

dtolnay mentioned this pull request

Optimize syntax tree size of Punctuated (without allocation for empty Punctuated) #1407

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