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Build # 29257267196

Build Type

Pull #2796

github

Committed by ericproulx

Commit Message

Remove Grape::Util::ReverseStackableValues

Since #2795 internalized namespace_reverse_stackable into
InheritableSetting, ReverseStackableValues had a single consumer holding
exactly two keys (rescue_handlers / base_only_rescue_handlers). Its only
job was reverse-order chain traversal, but InheritableSetting already
tracks the same chain through #parent.

Replace the store with a plain per-scope Hash of rescue_from
registrations and merge it recursively over #parent. Hash#merge natively
yields the ordering Middleware::Error's find-based scan depends on: the
nearest scope's keys first (registration order preserved within a
scope), inherited keys appended, nearer handler winning on collision.

InheritableSetting#to_hash now exposes the merged rescue_handlers /
base_only_rescue_handlers instead of a namespace_reverse_stackable key.

Also drops the per-layer ReverseStackableValues allocation and the
intermediate arrays StackableValues#[] built on every read.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Pull Request Pull Request #2796: Remove Grape::Util::ReverseStackableValues

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