readerutil

package
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Published: Feb 13, 2016 License: Apache-2.0 Imports: 6 Imported by: 0

Documentation

Overview

Package readerutil provides and operates on io.Readers.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func OpenSingle

func OpenSingle(path string) (readerutil.ReaderAtCloser, error)

OpenSingle opens the given file path for reading, reusing existing file descriptors when possible.

func ReaderSize

func ReaderSize(r io.Reader) (size int64, ok bool)

ReaderSize tries to determine the length of r.

Types

type CountingReader

type CountingReader struct {
	Reader io.Reader
	N      *int64
}

CountingReader wraps a Reader, incrementing N by the number of bytes read. No locking is performed.

func (CountingReader) Read

func (cr CountingReader) Read(p []byte) (n int, err error)

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