go generate is only useful if you have tools to use it with! Here is an incomplete list of useful tools that generate code.

  • goyacc – Yacc for Go.
  • stringer – Implements fmt.Stringer interface for enums.
  • gostringer – Implements fmt.GoStringer interface for enums.
  • jsonenums – Implements json.Marshaler and json.Unmarshaler interfaces for enums.
  • go-syncmap - Generates Go code using a package as a generic template for sync.Map.
  • go-syncpool - Generates Go code using a package as a generic template for sync.Pool.
  • go-atomicvalue - Generates Go code using a package as a generic template for atomic.Value.
  • go-nulljson - Generates Go code using a package as a generic template that implements database/sql.Scanner and database/sql/driver.Valuer.
  • go-enum - Generates Go code using a package as a generic template which implements interface fmt.Stringer | binary | json | text | sql | yaml for enums.
  • enumer - Generates Go code that convert Go enum to/from strings.
  • go-import — Performs auto import of non go files.
  • gojson - Generates go struct definitions from example json documents.
  • vfsgen - Generates a vfsdata.go file that statically implements the given virtual filesystem.
  • goreuse - Generates Go code using a package as a generic template by replacing definitions.
  • embedfiles - Embeds files into Go code.
  • ragel - State machine compiler
  • peachpy - x86-64 assembler embedded in Python, generates Go assembly
  • bundle - Bundle creates a single-source-file version of a source package suitable for inclusion in a particular target package.
  • msgp - A Go code generator for MessagePack
  • protobuf - protobuf
  • thriftrw - thrift
  • gogen-avro - avro
  • swagger-gen-types - go types from swagger specifications
  • avo - generate assembly code with Go
  • Wire - Compile-time Dependency Injection for Go
  • sumgen - generate interface method implementations from sum-type declarations
  • interface-extractor - generates an interface of a desired type, with only methods used within the package.
  • deep-copy - creates a deep copy method for the given types.
  • libfsm - fsm toolkit supporting (among others) Go and Go-flavored amd64 assembly for matching regexps
  • re2c - lexer generator for C, C++ and Go
  • re2dfa - Transform regular expressions into finite state machines and output Go source code
  • pigeon - a PEG parser generator for Go