Ali Mohammad Pur d5d37abfa5 AK+LibRegex: Only set node metadata on Trie::ensure_child if missing ...

a290034a81 passed an empty vector to this,
which caused nodes that appeared multiple times to reset the trie
metadata...which broke the optimisation.

This patchset makes the function take a 'provide missing metadata'
function instead, and only invokes it when the node is missing rather
than unconditionally setting the metadata on all nodes.

2025-11-21 02:46:33 +01:00

88 KiB

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