package protoimpl
Import Path
google.golang.org/protobuf/runtime/protoimpl (on go.dev)
Dependency Relation
imports 4 packages, and imported by 10 packages
Involved Source Files
Package protoimpl contains the default implementation for messages
generated by protoc-gen-go.
WARNING: This package should only ever be imported by generated messages.
The compatibility agreement covers nothing except for functionality needed
to keep existing generated messages operational. Breakages that occur due
to unauthorized usages of this package are not the author's responsibility.
version.go
Package-Level Type Names (total 13, all are exported)
Types used by generated code in init functions.
EnforceVersion is used by code generated by protoc-gen-go
to statically enforce minimum and maximum versions of this package.
A compilation failure implies either that:
* the runtime package is too old and needs to be updated OR
* the generated code is too old and needs to be regenerated.
The runtime package can be upgraded by running:
go get google.golang.org/protobuf
The generated code can be regenerated by running:
protoc --go_out=${PROTOC_GEN_GO_ARGS} ${PROTO_FILES}
Example usage by generated code:
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(genVersion - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - genVersion)
)
The genVersion is the current minor version used to generated the code.
This compile-time check relies on negative integer overflow of a uint
being a compilation failure (guaranteed by the Go specification).
Types used by generated code to implement EnumType, MessageType, and ExtensionType.
type ExtensionFields = impl.ExtensionFields (map) type ExtensionFieldV1 = impl.ExtensionField (struct) type ExtensionInfo = impl.ExtensionInfo (struct) type MessageInfo = impl.MessageInfo (struct)
Types embedded in generated messages.
type TypeBuilder = filetype.Builder (struct) type UnknownFields = impl.UnknownFields ([]T) type WeakFields = impl.WeakFields (map)
Package-Level Constants (total 4, all are exported)
GenVersion is the runtime version required by generated .pb.go files.
This is incremented when generated code relies on new functionality
in the runtime.
MaxVersion is the maximum supported version for generated .pb.go files.
It is always the current version of the module.
MinVersion is the minimum supported version for generated .pb.go files.
This is incremented when the runtime drops support for old code.
UnsafeEnabled specifies whether package unsafe can be used.
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