| 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. |
| encoding/binary | Package binary implements simple translation between numbers and byte sequences and encoding and decoding of varints. |
| encoding/csv | Package csv reads and writes comma-separated values (CSV) files. |
| 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/opa | Package opa contains bytecode for the OPA-WASM library. |
| github.com/open-policy-agent/opa/internal/debug | |
| github.com/open-policy-agent/opa/internal/ir | |
| github.com/open-policy-agent/opa/internal/wasm/encoding | Package encoding implements WASM module reading and writing. |
| github.com/open-policy-agent/opa/internal/wasm/instruction | Package instruction defines WASM instruction types. |
| github.com/open-policy-agent/opa/internal/wasm/module | |
| github.com/open-policy-agent/opa/internal/wasm/types | Package types defines the WASM value type constants. |
| github.com/pkg/errors | Package errors provides simple error handling primitives. |
| io | Package io provides basic interfaces to I/O primitives. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| os/exec | Package exec runs external commands. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| time | Package time provides functionality for measuring and displaying time. |