mmap

package

v0.0.0-...-fe59bbe Latest Latest Go to latest Published: Apr 16, 2024 License: BSD-3-Clause Imports: 6 Imported by: 117

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Rendered for

Package mmap provides a way to memory-map a file.

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

ReaderAt reads a memory-mapped file.

Like any io.ReaderAt, clients can execute parallel ReadAt calls, but it is not safe to call Close and reading methods concurrently.

func Open(filename string) (*ReaderAt, error)

Open memory-maps the named file for reading.

func (r *ReaderAt) At(i int) byte

At returns the byte at index i.

func (r *ReaderAt) Close() error

Close closes the reader.

func (r *ReaderAt) Len() int

Len returns the length of the underlying memory-mapped file.

func (r *ReaderAt) ReadAt(p []byte, off int64) (int, error)

ReadAt implements the io.ReaderAt interface.