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-rw-r--r--src/test/ui/self/explicit-self.rs71
1 files changed, 71 insertions, 0 deletions
diff --git a/src/test/ui/self/explicit-self.rs b/src/test/ui/self/explicit-self.rs
new file mode 100644
index 000000000..873c3621a
--- /dev/null
+++ b/src/test/ui/self/explicit-self.rs
@@ -0,0 +1,71 @@
+// run-pass
+#![allow(dead_code)]
+#![allow(non_camel_case_types)]
+#![allow(non_upper_case_globals)]
+
+static tau: f64 = 2.0*3.14159265358979323;
+
+struct Point {x: f64, y: f64}
+struct Size {w: f64, h: f64}
+enum shape {
+ circle(Point, f64),
+ rectangle(Point, Size)
+}
+
+
+fn compute_area(shape: &shape) -> f64 {
+ match *shape {
+ shape::circle(_, radius) => 0.5 * tau * radius * radius,
+ shape::rectangle(_, ref size) => size.w * size.h
+ }
+}
+
+impl shape {
+ // self is in the implicit self region
+ pub fn select<'r, T>(&self, threshold: f64, a: &'r T, b: &'r T)
+ -> &'r T {
+ if compute_area(self) > threshold {a} else {b}
+ }
+}
+
+fn select_based_on_unit_circle<'r, T>(
+ threshold: f64, a: &'r T, b: &'r T) -> &'r T {
+
+ let shape = &shape::circle(Point{x: 0.0, y: 0.0}, 1.0);
+ shape.select(threshold, a, b)
+}
+
+#[derive(Clone)]
+struct thing {
+ x: A
+}
+
+#[derive(Clone)]
+struct A {
+ a: isize
+}
+
+fn thing(x: A) -> thing {
+ thing {
+ x: x
+ }
+}
+
+impl thing {
+ pub fn bar(self: Box<thing>) -> isize { self.x.a }
+ pub fn quux(&self) -> isize { self.x.a }
+ pub fn baz<'a>(&'a self) -> &'a A { &self.x }
+ pub fn spam(self) -> isize { self.x.a }
+}
+
+trait Nus { fn f(&self); }
+impl Nus for thing { fn f(&self) {} }
+
+pub fn main() {
+ let y: Box<_> = Box::new(thing(A {a: 10}));
+ assert_eq!(y.clone().bar(), 10);
+ assert_eq!(y.quux(), 10);
+
+ let z = thing(A {a: 11});
+ assert_eq!(z.spam(), 11);
+}