counter

Documentation

Overview

ex7.1 provides line and word counters.

Index

• type LineCounter
  • func (c *LineCounter) N() int
  • func (c *LineCounter) String() string
  • func (c *LineCounter) Write(p []byte) (n int, err error)
• type WordCounter
  • func (c *WordCounter) N() int
  • func (c *WordCounter) String() string
  • func (c *WordCounter) Write(p []byte) (n int, err error)

Types

type LineCounter

type LineCounter struct {
	// contains filtered or unexported fields
}

func (*LineCounter) N

func (c *LineCounter) N() int

func (*LineCounter) String

func (c *LineCounter) String() string

func (*LineCounter) Write

func (c *LineCounter) Write(p []byte) (n int, err error)

type WordCounter

type WordCounter struct {
	// contains filtered or unexported fields
}

func (*WordCounter) N

func (c *WordCounter) N() int

func (*WordCounter) String

func (c *WordCounter) String() string

func (*WordCounter) Write

func (c *WordCounter) Write(p []byte) (n int, err error)

A !IsSpace() -> IsSpace() transition is counted as a word.

I couldn't figure out how to use bufio.ScanWords without either double-counting words split across buffer boundaries, giving incorrect intermediate counts, or doing some really awkward buffer manipulation.