Merge pull request #91 from nvzqz/const-all-the-things

Make many functions `const`

core/src/vector.rs

@@ -16,7 +16,7 @@ impl<T> Vector<T> {
     /// Creates a new [`Vector`] with the given components.
     ///
     /// [`Vector`]: struct.Vector.html
-    pub fn new(x: T, y: T) -> Self {
+    pub const fn new(x: T, y: T) -> Self {
         Self { x, y }
     }
 }

native/src/layout/limits.rs

@@ -20,7 +20,7 @@ impl Limits {
     ///
     /// [`Limits`]: struct.Limits.html
     /// [`Size`]: ../struct.Size.html
-    pub fn new(min: Size, max: Size) -> Limits {
+    pub const fn new(min: Size, max: Size) -> Limits {
         Limits {
             min,
             max,

native/src/layout/node.rs

@@ -12,7 +12,7 @@ impl Node {
     ///
     /// [`Node`]: struct.Node.html
     /// [`Size`]: ../struct.Size.html
-    pub fn new(size: Size) -> Self {
+    pub const fn new(size: Size) -> Self {
         Self::with_children(size, Vec::new())
     }
 
@@ -20,7 +20,7 @@ impl Node {
     ///
     /// [`Node`]: struct.Node.html
     /// [`Size`]: ../struct.Size.html
-    pub fn with_children(size: Size, children: Vec<Node>) -> Self {
+    pub const fn with_children(size: Size, children: Vec<Node>) -> Self {
         Node {
             bounds: Rectangle {
                 x: 0.0,