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ruby-grape / grape
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20 Sep 2026 07:36PM UTC coverage: 99.026%. Remained the same
35532880154

Pull #2974

github

ericproulx
Run every endpoint's Rack stack through one shared lambda

The innermost app of an endpoint's Rack stack looks the endpoint up in
the env and runs it, so it closes over nothing -- yet build_stack
allocated a fresh lambda for it on every endpoint.

Hoist it to a single constant. That lambda answers to the class rather
than to an endpoint, so #run can no longer be reached as a peer -- and
it was only ever protected to be reachable that way. Make it public: it
is where the stack ends, it belongs next to #call and #call!, and it now
says in a doc comment what it expects of its caller. #execute and the
rest of the endpoint's internals stay protected.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Pull Request #2974: Run every endpoint's Rack stack through one shared lambda

1466 of 1523 branches covered (96.26%)

Branch coverage included in aggregate %.

4 of 4 new or added lines in 1 file covered. (100.0%)

4332 of 4332 relevant lines covered (100.0%)

28742.42 hits per line

Relevant lines Covered
Build:
Build:
4332 RELEVANT LINES 4332 COVERED LINES
28742.42 HITS PER LINE
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Builds Branch Commit Type Ran Committer Via Coverage
35532880154 endpoint-shared-runner-lambda Run every endpoint's Rack stack through one shared lambda The innermost app of an endpoint's Rack stack looks the endpoint up in the env and runs it, so it closes over nothing -- yet build_stack allocated a fresh lambda for it on every endpoint. ... Pull #2974 20 Sep 2026 07:37PM UTC ericproulx github
99.03
35532759320 endpoint-shared-runner-lambda Run every endpoint's Rack stack through one shared lambda The innermost app of an endpoint's Rack stack looks the endpoint up in the env and runs it, so it closes over nothing -- yet build_stack allocated a fresh lambda for it on every endpoint. ... Pull #2974 20 Sep 2026 07:35PM UTC ericproulx github
99.03
35524736655 endpoint-shared-runner-lambda Run every endpoint's Rack stack through one shared lambda The innermost app of an endpoint's Rack stack looks the endpoint up in the env and runs it, so it closes over nothing -- yet build_stack allocated a fresh lambda for it on every endpoint. ... Pull #2974 20 Sep 2026 05:05PM UTC ericproulx github
99.03
35523784527 endpoint-shared-runner-lambda Run every endpoint's Rack stack through one shared lambda The innermost app of an endpoint's Rack stack looks the endpoint up in the env and runs it, so it closes over nothing -- yet build_stack allocated a fresh lambda for it on every endpoint. ... Pull #2974 20 Sep 2026 04:47PM UTC ericproulx github
99.03
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