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We initially did not have this impl because the first revision of the Sink trait was much more complicated. In particular, each method was parameterized over a Matcher. But not every Sink impl actually needs a Matcher, and it is just as easy to borrow a Matcher explicitly, so the added parameterization wasn't holding its own. This does permit Sink implementations to be used as trait objects. One key use case here is to reduce compile times, since there is quite a bit of code inside grep-searcher that is parameterized on Sink. Unfortunately, that code is *also* parameterized on Matcher, and the various printers in grep-printer are also parameterized on Matcher, which means Sink trait objects are necessary but no sufficient for a major reduction in compile times. Unfortunately, the path to making Matcher object safe isn't quite clear. Extension traits maybe? There's also stuff in the Serde ecosystem that might help, but the type shenanigans can get pretty gnarly. |
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| LICENSE-MIT | ||
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| UNLICENSE | ||
grep-searcher
A high level library for executing fast line oriented searches. This handles things like reporting contextual lines, counting lines, inverting a search, detecting binary data, automatic UTF-16 transcoding and deciding whether or not to use memory maps.
Dual-licensed under MIT or the UNLICENSE.
Documentation
NOTE: You probably don't want to use this crate directly. Instead, you
should prefer the facade defined in the
grep
crate.
Usage
Add this to your Cargo.toml:
[dependencies]
grep-searcher = "0.1"
and this to your crate root:
extern crate grep_searcher;