view .arcconfig @ 45111:7528699c6ccb

rust-status: refactor status into a struct

The code for `dirstate/status` has grown too large for comfort, this is the
first of three patches that try to improve maintainability.
In this patch, refactoring dirstate's status into a struct allows for slimming
down function signatures drastically, keeping the mental (and maintenance)
burden lower, since pretty much all of them shared a few common arguments.

This had the pleasant side-effect of simplifying lifetimes a little. This has
no observable impact on performance.

The next patch will add/improve documentation and refactor some types. I tried
to keep new code down to a minimum in this patch because it's already pretty
big.

Differential Revision: https://phab.mercurial-scm.org/D8661

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