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Source file src/os/dir.go

  // Copyright 2016 The Go Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style
  // license that can be found in the LICENSE file.
  
  package os
  
  // Readdir reads the contents of the directory associated with file and
  // returns a slice of up to n FileInfo values, as would be returned
  // by Lstat, in directory order. Subsequent calls on the same file will yield
  // further FileInfos.
  //
  // If n > 0, Readdir returns at most n FileInfo structures. In this case, if
  // Readdir returns an empty slice, it will return a non-nil error
  // explaining why. At the end of a directory, the error is io.EOF.
  //
  // If n <= 0, Readdir returns all the FileInfo from the directory in
  // a single slice. In this case, if Readdir succeeds (reads all
  // the way to the end of the directory), it returns the slice and a
  // nil error. If it encounters an error before the end of the
  // directory, Readdir returns the FileInfo read until that point
  // and a non-nil error.
  func (f *File) Readdir(n int) ([]FileInfo, error) {
  	if f == nil {
  		return nil, ErrInvalid
  	}
  	return f.readdir(n)
  }
  
  // Readdirnames reads and returns a slice of names from the directory f.
  //
  // If n > 0, Readdirnames returns at most n names. In this case, if
  // Readdirnames returns an empty slice, it will return a non-nil error
  // explaining why. At the end of a directory, the error is io.EOF.
  //
  // If n <= 0, Readdirnames returns all the names from the directory in
  // a single slice. In this case, if Readdirnames succeeds (reads all
  // the way to the end of the directory), it returns the slice and a
  // nil error. If it encounters an error before the end of the
  // directory, Readdirnames returns the names read until that point and
  // a non-nil error.
  func (f *File) Readdirnames(n int) (names []string, err error) {
  	if f == nil {
  		return nil, ErrInvalid
  	}
  	return f.readdirnames(n)
  }
  

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