fixed legacy go comments
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88bb8c406e
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17082de560
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@ -387,11 +387,10 @@ func (b *Bucket) Attributes(ctx context.Context, key string) (_ *Attributes, err
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}, nil
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}
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// Exists returns true if a blob exists at key, false if it does not exist, or
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// an error.
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// Exists returns true if a blob exists at key, false if it does not exist, or an error.
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//
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// It is a shortcut for calling Attributes and checking if it returns an error
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// with code ErrNotFound.
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// It is a shortcut for calling Attributes and checking if it returns
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// an error with code ErrNotFound.
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func (b *Bucket) Exists(ctx context.Context, key string) (bool, error) {
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_, err := b.Attributes(ctx, key)
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if err == nil {
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@ -419,11 +418,8 @@ func (b *Bucket) NewReader(ctx context.Context, key string) (*Reader, error) {
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//
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// Note that ctx is used for all reads performed during the lifetime of the reader.
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//
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// If the blob does not exist, NewRangeReader returns an error for which
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// gcerrors.Code will return gcerrors.NotFound. Exists is a lighter-weight way
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// to check for existence.
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//
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// A nil ReaderOptions is treated the same as the zero value.
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// If the blob does not exist, NewRangeReader returns an ErrNotFound.
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// Exists is a lighter-weight wayto check for existence.
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//
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// The caller must call Close on the returned Reader when done reading.
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func (b *Bucket) NewRangeReader(ctx context.Context, key string, offset, length int64) (_ *Reader, err error) {
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@ -656,8 +652,7 @@ func (b *Bucket) NewWriter(ctx context.Context, key string, opts *WriterOptions)
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// Copy the blob stored at srcKey to dstKey.
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// A nil CopyOptions is treated the same as the zero value.
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//
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// If the source blob does not exist, Copy returns an error for which
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// gcerrors.Code will return gcerrors.NotFound.
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// If the source blob does not exist, Copy returns an ErrNotFound.
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//
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// If the destination blob already exists, it is overwritten.
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func (b *Bucket) Copy(ctx context.Context, dstKey, srcKey string) (err error) {
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@ -40,7 +40,7 @@ type Driver interface {
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NormalizeError(err error) error
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// Attributes returns attributes for the blob. If the specified object does
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// not exist, Attributes must return an error for which ErrorCode returns ErrNotFound.
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// not exist, Attributes must return an ErrNotFound.
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// The portable type will not modify the returned Attributes.
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Attributes(ctx context.Context, key string) (*Attributes, error)
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@ -50,19 +50,12 @@ type Driver interface {
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// to recently written or deleted objects. That is to say, there is no
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// guarantee that an object that's been written will immediately be returned
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// from ListPaged.
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// opts is guaranteed to be non-nil.
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ListPaged(ctx context.Context, opts *ListOptions) (*ListPage, error)
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// NewRangeReader returns a Reader that reads part of an object, reading at
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// most length bytes starting at the given offset. If length is negative, it
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// will read until the end of the object. If the specified object does not
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// exist, NewRangeReader must return an error for which ErrorCode returns ErrNotFound.
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// opts is guaranteed to be non-nil.
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//
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// The returned Reader *may* also implement Downloader if the underlying
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// implementation can take advantage of that. The Download call is guaranteed
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// to be the only call to the Reader. For such readers, offset will always
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// be 0 and length will always be -1.
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// exist, NewRangeReader must return an ErrNotFound.
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NewRangeReader(ctx context.Context, key string, offset, length int64) (DriverReader, error)
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// NewTypedWriter returns Writer that writes to an object associated with key.
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@ -87,16 +80,13 @@ type Driver interface {
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// Copy copies the object associated with srcKey to dstKey.
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//
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// If the source object does not exist, Copy must return an error for which
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// ErrorCode returns ErrNotFound.
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// If the source object does not exist, Copy must return an ErrNotFound.
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//
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// If the destination object already exists, it should be overwritten.
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//
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// opts is guaranteed to be non-nil.
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Copy(ctx context.Context, dstKey, srcKey string) error
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// Delete deletes the object associated with key. If the specified object does
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// not exist, Delete must return an error for which ErrorCode returns ErrNotFound.
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// not exist, Delete must return an ErrNotFound.
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Delete(ctx context.Context, key string) error
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// Close cleans up any resources used by the Bucket. Once Close is called,
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