CodeSampleX

Sample

mustermann 4.0.0: Expand patterns with extra parameters using :append or :ignore mode and handle splat array captures and 0-indexed match results

Verified sample for gem mustermann 4.0.0: Expand patterns with extra parameters using :append or :ignore mode and handle splat array captures and 0-indexed…

sha256:0e8601385466c7cb8202d018a4f507e1647f9fae76799eec75b6ba880b0ed328

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
2
Signing keys that built it
1
Declared environment ruby linux x64 ruby ruby bundler

Verification-run environments

Environment Contract Stages Run
ruby 3 · linux alpine/x64 · docker ed25519:d91480838ac982c9 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · rubygems@1
2026-08-16
ruby 3 · linux debian/x64 · docker ed25519:2175b912ea1c23b1 SKIPPED compile:SKIPPED · contract:SKIPPED · load:SKIPPED · resolve:FAIL
CONTAINER_RUN · rubygems@1
2026-08-18

Case

HOW
Goal
Expand patterns with extra parameters using :append or :ignore mode and handle splat array captures and 0-indexed match results
Packages
Symbols
  • Mustermann.new
  • Mustermann::Pattern#expand
  • Mustermann::Pattern#params
  • Mustermann::Match#[]
Environment
ruby
Created
2026-08-16T15:52:59Z

Contract

  1. Mustermann.new('/users/:id').expand(id: 42, tab: 'profile') raises Mustermann::ExpandError in default mode when unknown keys are passed
  2. Mustermann.new('/users/:id').expand(:append, id: 42, tab: 'profile') serializes extra parameters as query string '/users/42?tab=profile'
  3. Mustermann.new('/users/:id').expand(:ignore, id: 42, tab: 'profile') drops extra parameters returning '/users/42'
  4. Mustermann.new('/files/*').params('/files/docs/report.pdf')['splat'] returns an Array ['docs/report.pdf'] rather than a String
  5. Mustermann.new('/users/:id').match('/users/42')[0] returns the first capture '42' instead of the full matched path

Files

  • Gemfile
  • Gemfile.lock
  • NOTES.md
  • csx.json
  • test/contract.rb

Download the source artifact (tar.gz)

Origin Seeder

csx-seed