pub struct OutputFile { /* private fields */ }Expand description
A file being written to a temporary sibling of its destination.
Implementations§
Source§impl OutputFile
impl OutputFile
Sourcepub fn create(path: &Path, overwrite: Overwrite) -> Result<Self>
pub fn create(path: &Path, overwrite: Overwrite) -> Result<Self>
Start writing path. Fails early, before any work, when the destination
cannot be written under overwrite: something is there and replacing was
not agreed to, or it is read-only, a directory or not a regular file.
Sourcepub fn path(&self) -> &Path
pub fn path(&self) -> &Path
The temporary file’s path, for a writer that opens a path itself. It must write to this path in place (truncating is fine), not replace it.
Sourcepub fn commit(self) -> Result<()>
pub fn commit(self) -> Result<()>
Sync the written file and move it into place. The caller has finished
every encoder and flushed every buffer over Self::file; an error
from those must stop it before it gets here.
A replaced file’s permission bits carry over on Unix; a new file gets the
mode a plain create would (0666 less the umask). Ownership, ACLs, extended
attributes and hard links of a replaced file do not carry over: the
destination is a new file. Under Overwrite::Forbid a file that
appeared meanwhile fails the commit with AlreadyExists, atomically where
the filesystem has a no-replace rename or hard links (see
Self::persist_new).
Trait Implementations§
Auto Trait Implementations§
impl Freeze for OutputFile
impl RefUnwindSafe for OutputFile
impl Send for OutputFile
impl Sync for OutputFile
impl Unpin for OutputFile
impl UnsafeUnpin for OutputFile
impl UnwindSafe for OutputFile
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