wordcount

Documentation

Index

• func Update(r io.Reader, d Dict) error
• type Dict
  • func Tell(r io.Reader) (Dict, error)
• type KeyVal
• type Pairs
  • func Sort(ws Dict) Pairs
  • func (k Pairs) Len() int
  • func (k Pairs) Less(i, j int) bool
  • func (k Pairs) Swap(i, j int)

Functions

func Update

func Update(r io.Reader, d Dict) error

Update updates given Dict with new or exitring word and increment word count.

Types

type Dict

type Dict map[string]int

Dict represents word frequency count

func Tell

func Tell(r io.Reader) (Dict, error)

Tell counts number of words.

type KeyVal

type KeyVal struct {
	Key string
	Val int
}

KeyVal represents Key-Value pair.

type Pairs

type Pairs []KeyVal

Pairs represents slice of Key-Val pairs.

func Sort

func Sort(ws Dict) Pairs

Sort sorts given Dict by word popularity and return slice of Key-Val pairs.

func (Pairs) Len

func (k Pairs) Len() int

func (Pairs) Less

func (k Pairs) Less(i, j int) bool

func (Pairs) Swap

func (k Pairs) Swap(i, j int)