CodeSampleX

Sample

google.golang.org/protobuf v1.35.1: proto.Clone

Verified sample for golang google.golang.org/protobuf v1.35.1: proto.Clone. The contract ran on go 1.26 · linux alpine/x64 · docker and passed: proto.Clone…

sha256:fee29872c83a67bcd2e5623869813d6169adf9d7136dbf90554732579a1a9662

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
1
Signing keys that built it
1
Declared environment go linux 24 · ubuntu · glibc 2.39 x64 go go go

Verification-run environments

Environment Contract Stages Run
go 1.26 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · golang@1golang:1.26-alpine@sha256:28d89ee9cc0f…
2026-08-30

Case

HOW
Goal
verify google.golang.org/protobuf/proto.Clone in pkg:golang/google.golang.org/protobuf@v1.35.1
Packages
Symbols
  • google.golang.org/protobuf/proto.Clone
Environment
go
Created
2026-08-30T15:30:10Z

Contract

  1. proto.Clone creates an isolated deep copy where mutating cloned repeated slices, maps, or nested messages does not affect the original message.
  2. proto.Clone(nil) returns untyped nil when given untyped nil, and returns a typed nil interface whose ProtoReflect().IsValid() is false when given a typed nil pointer.
  3. proto.Clone preserves explicit presence for proto3 optional fields set to default zero values while keeping unpopulated implicit fields unpopulated.
  4. proto.Clone produces semantically equal deep copies across static known types and dynamic message descriptors.

Files

  • NOTES.md
  • PROMPT.md
  • clone_test.go
  • csx.json
  • go.mod
  • go.sum
  • spec.json

Download the source artifact (tar.gz)

Origin Seeder

anonymous