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authorGriffin Smith <root@gws.fyi>2022-10-12T22·45-0400
committergrfn <grfn@gws.fyi>2022-10-15T20·35+0000
commit03a3189a3d8e3e9d198ccf73bc0a836aaa6b6e3d (patch)
tree84068017f612e150ed8a5334e687e7872e253902 /tvix/eval/.gitignore
parent5eb89be68246f1e5a8cd28e48d5cec75921ca97a (diff)
feat(tvix/eval): Initial impl of builtins.match r/5136
Implement an *initial* version of builtins.match, using the rust `regex`
crate for regular expressions. The rust regex crate definitely has
different semantics than nix's regular expressions - but we'd like to
see how far we can get before the incompatibility starts to matter.

This consciously leaves out any sort of memo for compiled regular
expressions (which upstream nix also has) for the sake of expediency -
in the future we should implement that so we don't have to compile the
same regular expression multiple times.

Change-Id: I5b718635831ec83397940e417a9047c4342b6fa1
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6989
Tested-by: BuildkiteCI
Reviewed-by: Adam Joseph <adam@westernsemico.com>
Reviewed-by: tazjin <tazjin@tvl.su>
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