diff options
Diffstat (limited to 'src/libstd')
| -rw-r--r-- | src/libstd/fs.rs | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/src/libstd/fs.rs b/src/libstd/fs.rs index cff7bbe5ef1..09be3f13050 100644 --- a/src/libstd/fs.rs +++ b/src/libstd/fs.rs @@ -844,10 +844,7 @@ impl OpenOptions { self } - /// Sets the option for creating a new file. - /// - /// This option indicates whether a new file will be created if the file - /// does not yet already exist. + /// Sets the option to create a new file, or open it if it already exists. /// /// In order for the file to be created, [`write`] or [`append`] access must /// be used. @@ -868,11 +865,10 @@ impl OpenOptions { self } - /// Sets the option to always create a new file. + /// Sets the option to create a new file, failing if it already exists. /// - /// This option indicates whether a new file will be created. - /// No file is allowed to exist at the target location, also no (dangling) - /// symlink. + /// No file is allowed to exist at the target location, also no (dangling) symlink. In this + /// way, if the call succeeds, the file returned is guaranteed to be new. /// /// This option is useful because it is atomic. Otherwise between checking /// whether a file exists and creating a new one, the file may have been |