fx

Fx is a useful functional programming helpers without using interface{} or reflect.

Support only Go 1.18+.

Features

• Slice
  • Each
  • Collect
  • Reduce
  • Find
  • Filter
  • Every
  • Some
  • Contains
  • Max
  • Min
  • GroupBy
  • Sample
  • SampleN
  • Union
  • Intersection
  • Uniq
  • IndexOf
  • LastIndexOf
  • Reverse
• Map
  • Keys
  • Values
  • Each
  • Filter
• Channel
  • Merge

Documentation

Documentation with examples can be found here: https://nikgalushko.github.io/fx/

Installation

slice helpers go get github.com/nikgalushko/fx/slice

map helpers go get github.com/nikgalushko/fx/kv

channel helpers go get github.com/nikgalushko/fx/ch

Usage

import (
  "fmt"

  "github.com/nikgalushko/fx/kv"
  "github.com/nikgalushko/fx/slice"
)

type (
  ID string

  Attribute struct {
    Value string
  }
)

func main() {
  m := map[ID]Attribute{
    ID("1"): {Value: "blah"},
    ID("1861"): {Value: "!"},
    ID("1234"): {Value: "yeah"},
  }

  fmt.Println("ids", kv.Keys(m), "contains special", slice.Contains(kv.Values(m), Attribute{Value: "!"}))
}