Skip to content

Implement Default trait for OsString/OsStr #32404

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Mar 23, 2016
Merged

Implement Default trait for OsString/OsStr #32404

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
08eaf07
Implement Default for OsString
WiSaGaN Mar 21, 2016
aa5afb0
Implement Default for OsStr
WiSaGaN Mar 21, 2016
b5b1d06
Fix Default for OsString/OsStr
WiSaGaN Mar 21, 2016
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
28 changes: 28 additions & 0 deletions src/libstd/ffi/os_str.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -173,6 +173,14 @@ impl ops::Deref for OsString {
}
}

#[stable(feature = "osstring_default", since = "1.9.0")]
impl Default for OsString {
#[inline]
fn default() -> OsString {
OsString::new()
}
}

#[stable(feature = "rust1", since = "1.0.0")]
impl Debug for OsString {
fn fmt(&self, formatter: &mut fmt::Formatter) -> Result<(), fmt::Error> {
Expand Down Expand Up @@ -302,6 +310,14 @@ impl OsStr {
}
}

#[stable(feature = "osstring_default", since = "1.9.0")]
impl<'a> Default for &'a OsStr {
#[inline]
fn default() -> &'a OsStr {
OsStr::new("")
}
}

#[stable(feature = "rust1", since = "1.0.0")]
impl PartialEq for OsStr {
fn eq(&self, other: &OsStr) -> bool {
Expand Down Expand Up @@ -554,6 +570,12 @@ mod tests {
assert!(os_string.capacity() >= 33)
}

#[test]
fn test_os_string_default() {
let os_string: OsString = Default::default();
assert_eq!("", &os_string);
}

#[test]
fn test_os_str_is_empty() {
let mut os_string = OsString::new();
Expand All @@ -577,4 +599,10 @@ mod tests {
os_string.clear();
assert_eq!(0, os_string.len());
}

#[test]
fn test_os_str_default() {
let os_str: &OsStr = Default::default();
assert_eq!("", os_str);
}
}