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Note As of Go 1.18, just use generics.


mapgen

A tool which generates thread safe maps for Go.

Features:

  • Supports any key/value pair supported by Go's native maps
  • Allows complex operations via Lock() and Unlock()
  • Generated code conforms to golint and gofmt
  • Allows custom types
  • Sensible default file name and map name
  • Optionally generates using sync.RWMutex

Generated example located in examples/

Install

go get -u github.com/s-kirby/mapgen/cmd/mapgen

Usage

Create string -> int map:

$ mapgen string/int
Wrote string_int_map_gen.go

Create string -> *bytes.Buffer map using a read-write mutex:

$ mapgen --rwmu string/*bytes.Buffer
Wrote string_buffer_map_gen.go

Help:

usage: mapgen [<flags>] <keyvalue types> [<tname>]

Flags:
      --help       Show context-sensitive help (also try --help-long and --help-man).
  -p, --pkg="."    package name
  -v, --verbose    highly descriptive output
  -f, --file=FILE  output file name
      --rwmu       Use RWMutex

Args:
  <keyvalue types>  Key and value types, e.g `string/int`
  [<tname>]         name of generated type