Rename BrokenLinkCallback trait to ParserCallbacks #1049
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notriddle
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Aug 27, 2025
notriddle
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Aug 27, 2025
Remove blanket impl of ParserCallbacks for closures. Replaced with a wrapper type BrokenLinkCallback to support the old API.
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No measurable performance impact in a quick benchmark: pulldown-cmark#1049 (comment)
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No measurable performance impact in a quick benchmark: pulldown-cmark#1049 (comment)
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Edit: #1043 maybe doesn't need a new callback, so this PR doesn't need to be merged separately from #1013.
We want to use the same trait for other callbacks as well, e.g. as in #1013
#1043.Since there will be more callbacks to override, it makes sense to remove the existing blanket implementation for closures. To keep backwards compatibility with most old use cases,
new_with_broken_link_callbackuses a new wrapper type.I tried to move the
'inputlifetime from the trait to the callbacks themselves, but I still ran into rust-lang/rust#41078 when trying to pass closures tonew_with_broken_link_callback. I guess it's fine as is.Breaking change, so I created a new release branch.