diff options
| author | Daniel Micay <danielmicay@gmail.com> | 2014-03-30 23:53:26 -0400 |
|---|---|---|
| committer | Daniel Micay <danielmicay@gmail.com> | 2014-03-31 01:13:48 -0400 |
| commit | cbbc1fc843a0bea0191f66b76ff6fcc9005d7b0f (patch) | |
| tree | 8ae67254c54ac66f5f74a1418e67326b39458d56 /src/libstd | |
| parent | 612e22e417b41326b2060416892c7b16d921e20b (diff) | |
| download | rust-cbbc1fc843a0bea0191f66b76ff6fcc9005d7b0f.tar.gz rust-cbbc1fc843a0bea0191f66b76ff6fcc9005d7b0f.zip | |
vec: convert `append` and `append_one` to methods
These were only free functions on `~[T]` because taking self by-value used to be broken.
Diffstat (limited to 'src/libstd')
| -rw-r--r-- | src/libstd/vec.rs | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/src/libstd/vec.rs b/src/libstd/vec.rs index 11fd2b8ee22..950c19bb4a3 100644 --- a/src/libstd/vec.rs +++ b/src/libstd/vec.rs @@ -166,6 +166,22 @@ impl<T> Vec<T> { } impl<T: Clone> Vec<T> { + /// Iterates over the `second` vector, copying each element and appending it to + /// the `first`. Afterwards, the `first` is then returned for use again. + /// + /// # Example + /// + /// ```rust + /// let vec = vec!(1, 2); + /// let vec = vec.append([3, 4]); + /// assert_eq!(vec, vec!(1, 2, 3, 4)); + /// ``` + #[inline] + pub fn append(mut self, second: &[T]) -> Vec<T> { + self.push_all(second); + self + } + /// Constructs a `Vec` by cloning elements of a slice. /// /// # Example @@ -518,6 +534,22 @@ impl<T> Vec<T> { } } + /// Appends one element to the vector provided. The vector itself is then + /// returned for use again. + /// + /// # Example + /// + /// ```rust + /// let vec = vec!(1, 2); + /// let vec = vec.append_one(3); + /// assert_eq!(vec, vec!(1, 2, 3)); + /// ``` + #[inline] + pub fn append_one(mut self, x: T) -> Vec<T> { + self.push(x); + self + } + /// Shorten a vector, dropping excess elements. /// /// If `len` is greater than the vector's current length, this has no @@ -1248,38 +1280,6 @@ impl<T> Vector<T> for Vec<T> { } } -/// Iterates over the `second` vector, copying each element and appending it to -/// the `first`. Afterwards, the `first` is then returned for use again. -/// -/// # Example -/// -/// ```rust -/// let vec = vec!(1, 2); -/// let vec = std::vec::append(vec, [3, 4]); -/// assert_eq!(vec, vec!(1, 2, 3, 4)); -/// ``` -#[inline] -pub fn append<T:Clone>(mut first: Vec<T>, second: &[T]) -> Vec<T> { - first.push_all(second); - first -} - -/// Appends one element to the vector provided. The vector itself is then -/// returned for use again. -/// -/// # Example -/// -/// ```rust -/// let vec = vec!(1, 2); -/// let vec = std::vec::append_one(vec, 3); -/// assert_eq!(vec, vec!(1, 2, 3)); -/// ``` -#[inline] -pub fn append_one<T>(mut lhs: Vec<T>, x: T) -> Vec<T> { - lhs.push(x); - lhs -} - #[unsafe_destructor] impl<T> Drop for Vec<T> { fn drop(&mut self) { |
