Module baseline 

Persisted coverage baselines.

A Baseline captures the three headline percentages (line_pct, function_pct, region_pct) for a single subject so the next run can diff against it. Baselines are stored under a caller-chosen scope — typically a git SHA, a branch name, or the literal "latest" — via any BaselineStore implementation.

JsonFileBaselineStore is the default file-system backend. It writes one JSON file per (scope, name) pair using write-temp-rename semantics so partial writes never corrupt a comparison.

Structs

Baseline

Persisted coverage baseline for a single subject.

JsonFileBaselineStore

Filesystem-backed JSON baseline store.

Traits

BaselineStore

Storage backend for Baseline values.