Closures: Is this docs sentence still relevant?

General Usage Performance
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Last sentence in the page performance tips

“In the mean time, some user-contributed packages like FastClosures automate the insertion of let statements as in abmult3 .”

Perf. Tips [latest docs]

i used closures heavily in some of my latest code, and i wonder, is this still relevant?

I took a look at the suggested package, and it looks outdated, perhaps it still works, i didn’t try.

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Still relevant as performance of captured variables in closures · Issue #15276 · JuliaLang/julia · GitHub is not fixed yet. For me the issue manifested in not-inferred closures when they should have been. Check with @code_warntype on your closures.

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