| bytes | Package bytes implements functions for the manipulation of byte slices. |
| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/open-policy-agent/opa/ast | Deprecated: This package is intended for older projects transitioning from OPA v0.x and will remain for the lifetime of OPA v1.x, but its use is not recommended. |
| github.com/open-policy-agent/opa/internal/compiler/wasm | Package wasm contains an IR->WASM compiler backend. |
| github.com/open-policy-agent/opa/internal/ir | |
| github.com/open-policy-agent/opa/internal/planner | Package planner contains a query planner for Rego queries. |
| github.com/open-policy-agent/opa/internal/wasm/encoding | Package encoding implements WASM module reading and writing. |
| github.com/open-policy-agent/opa/metrics | Deprecated: This package is intended for older projects transitioning from OPA v0.x and will remain for the lifetime of OPA v1.x, but its use is not recommended. |
| github.com/open-policy-agent/opa/storage | Package storage exposes the policy engine's storage layer. |
| github.com/open-policy-agent/opa/storage/inmem | Deprecated: This package is intended for older projects transitioning from OPA v0.x and will remain for the lifetime of OPA v1.x, but its use is not recommended. |
| github.com/open-policy-agent/opa/topdown | Package topdown provides low-level query evaluation support. |
| github.com/open-policy-agent/opa/util | Package util provides generic utilities used throughout the policy engine. |
| io | Package io provides basic interfaces to I/O primitives. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |