4043
94%

Ran 27 Apr 2026 08:52AM UTC

Jobs 1

Files 361

Run time 1min

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Committed 27 Apr 2026 08:50AM UTC coverage: 94.817% (-0.06%) from 94.878%

Build # 4043

Build Type

push

github

Committed by

web-flow

Commit Message

fix(coverage): break import cycle with debug (#3491)

`coverage/debug.mbt` (added in #3482) introduced a `Debug` impl for
`CoverageCounter`, which made `coverage` import `debug`. With
`--enable-coverage`, the toolchain implicitly injects coverage into
every package — including `debug` itself — producing the cycle:

    abort -> prelude -> coverage -> debug -> coverage

This causes `moon test --enable-coverage` (and the misc-check CI job)
to fail with "Import loop detected".

Removes `coverage/debug.mbt` and the `debug` import from
`coverage/moon.pkg`. The only observable API change is that
`CoverageCounter` no longer has a `Debug` impl — it's an internal
counter type that callers shouldn't be debug-printing in normal code.

After this change `moon test --enable-coverage` runs clean (6369/6369).

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Coverage Stats

14781 of 15589 relevant lines covered (94.82%)

220117.56 hits per line

Coverage Regressions

Lines	Coverage	∆	File
9	88.61	-11.39%	debug/debug.mbt
2	96.92	0.0%	float/methods.mbt
2	94.59	0.0%	quickcheck/splitmix/random.mbt
1	88.29	-0.8%	debug/pretty_print.mbt

Jobs

ID	Job ID	Ran	Files	Coverage
1	4043.1	27 Apr 2026 08:52AM UTC	362	94.83	GitHub Action Run

moonbitlang / core / 4043
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