Sample
Convert between dynamic Go data structures and Protocol Buffers Struct, ListValue, and Value with structpb
sha256:5da721c1166d04ed80369d75435c1584df3cd3d121055f0c4872d4ebf8d74090
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… |
2026-08-28 |
Case
HOW- Goal
- Convert between dynamic Go data structures and Protocol Buffers Struct, ListValue, and Value with structpb
- Packages
- Symbols
-
- google.golang.org/protobuf/types/known/structpb.ListValue.AsSlice
- google.golang.org/protobuf/types/known/structpb.NewList
- google.golang.org/protobuf/types/known/structpb.NewStruct
- google.golang.org/protobuf/types/known/structpb.NewValue
- google.golang.org/protobuf/types/known/structpb.Struct.AsMap
- google.golang.org/protobuf/types/known/structpb.Value.AsInterface
- Environment
- go
- Created
- 2026-08-28T09:04:35Z
Contract
- structpb.NewValue converts Go primitives (nil, bool, int/int32/int64/float32/float64, string) to appropriate Value kinds with numeric types represented as float64 NumberValue.
- structpb.NewStruct converts Go maps into *structpb.Struct, and Struct.AsMap converts it back to map[string]interface{}, while calling AsMap on a nil receiver safely returns an empty non-nil map.
- structpb.NewList converts Go slices into *structpb.ListValue, and ListValue.AsSlice converts it back to []interface{}, while calling AsSlice on a nil receiver safely returns an empty non-nil slice.
- structpb.Value.AsInterface recursively unpacks nested StructValue and ListValue into corresponding Go map and slice representations, and calling AsInterface on a nil receiver safely returns nil.
- structpb.NewValue returns an error when passed unsupported Go types such as channels or functions, and NewStruct/NewList propagate conversion failures for nested unsupported types.
- structpb.Struct supports proto binary wire serialization and protojson serialization formatting as a standard JSON object.
Files
- NOTES.md
- PROMPT.md
- csx.json
- go.mod
- go.sum
- spec.json
- structpb_test.go
Origin Seeder
anonymous