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Programming language: Go
License: MIT License
Tags: Utilities    
Latest version: v1.4.1

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README

Utility class for handling slices.

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Install

go get -u github.com/leaanthony/slicer

Quick Start

  import "github.com/leaanthony/slicer"

  func test() {
    s := slicer.String()
    s.Add("one")
    s.Add("two")
    s.AddSlice([]string{"three","four"})
    fmt.Printf("My slice = %+v\n", s.AsSlice())

    t := slicer.String()
    t.Add("zero")
    t.AddSlicer(s)
    fmt.Printf("My slice = %+v\n", t.AsSlice())
  }

Available slicers

  • Int
  • Int8
  • Int16
  • Int32
  • Int64
  • Float32
  • Float64
  • String
  • Bool
  • Interface

API

Construction

Create new Slicers by calling one of the following functions:

  • Int()
  • Int8()
  • Int16()
  • Int32()
  • Int64()
  • Float32()
  • Float64()
  • String()
  • Bool()
  • Interface()
  s := slicer.String()

If you wish to convert an existing slice to a Slicer, you may pass it in during creation:

  values := []string{"one", "two", "three"}
  s := slicer.String(values)

Add

Adds a value to the slice.

  values := []string{"one", "two", "three"}
  s := slicer.String(values)
  s.Add("four")

AddUnique

Adds a value to the slice if it doesn't already contain it.

  values := []string{"one", "two", "three", "one", "two", "three"}
  s := slicer.String(values)
  result := s.Join(",")
  // result is "one,two,three"

AddSlice

Adds an existing slice of values to a slicer

  s := slicer.String([]string{"one"})
  s.AddSlice([]string{"two"})

AsSlice

Returns a regular slice from the slicer.

  s := slicer.String([]string{"one"})
  for _, value := range s.AsSlice() {
    ...
  }

AddSlicer

Adds an existing slicer of values to another slicer

  a := slicer.String([]string{"one"})
  b := slicer.String([]string{"two"})
  a.AddSlicer(b)

Filter

Filter the values of a slicer based on the result of calling the given function with each value of the slice. If it returns true, the value is added to the result.

  a := slicer.Int([]int{1,5,7,9,6,3,1,9,1})
  result := a.Filter(func(v int) bool {
    return v > 5
  })
  // result is []int{7,9,9}

Each

Each iterates over all the values of a slicer, passing them in as paramter to a function

  a := slicer.Int([]int{1,5,7,9,6,3,1,9,1})
  result := 0
  a.Each(func(v int) {
    result += v
  })
  // result is 42

Contains

Contains returns true if the slicer contains the given value

  a := slicer.Int([]int{1,5,7,9,6,3,1,9,1})
  result := a.Contains(9)
  // result is True

Join

Returns a string with the slicer elements separated by the given separator

  a := slicer.String([]string{"one", "two", "three"})
  result := a.Join(",")
  // result is "one,two,three"

Length

Returns the length of the slice

  a := slicer.String([]string{"one", "two", "three"})
  result := a.Length()
  // result is 3

Clear

Clears all elements from the current slice

  a := slicer.String([]string{"one", "two", "three"})
  a.Clear()
  // a.Length() == 0

Sort

Sorts the elements of a slice Not supported by: InterfaceSlicer, BoolSlicer

  a := slicer.Int([]int{5,3,4,1,2})
  a.Sort()
  // a is []int{1,2,3,4,5}

Deduplicate

Deduplicate removes all duplicates within a slice.

  a := slicer.Int([]int{5,3,5,1,3})
  a.Deduplicate()
  // a is []int{5,3,1}