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-rw-r--r--src/test/ui/statics/static-impl.rs66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/test/ui/statics/static-impl.rs b/src/test/ui/statics/static-impl.rs
new file mode 100644
index 000000000..e7bdb38ee
--- /dev/null
+++ b/src/test/ui/statics/static-impl.rs
@@ -0,0 +1,66 @@
+// run-pass
+#![allow(non_camel_case_types)]
+
+
+
+
+pub trait plus {
+ fn plus(&self) -> isize;
+}
+
+mod a {
+ use plus;
+ impl plus for usize { fn plus(&self) -> isize { *self as isize + 20 } }
+}
+
+mod b {
+ use plus;
+ impl plus for String { fn plus(&self) -> isize { 200 } }
+}
+
+trait uint_utils {
+ fn str(&self) -> String;
+ fn multi<F>(&self, f: F) where F: FnMut(usize);
+}
+
+impl uint_utils for usize {
+ fn str(&self) -> String {
+ self.to_string()
+ }
+ fn multi<F>(&self, mut f: F) where F: FnMut(usize) {
+ let mut c = 0_usize;
+ while c < *self { f(c); c += 1_usize; }
+ }
+}
+
+trait vec_utils<T> {
+ fn length_(&self, ) -> usize;
+ fn iter_<F>(&self, f: F) where F: FnMut(&T);
+ fn map_<U, F>(&self, f: F) -> Vec<U> where F: FnMut(&T) -> U;
+}
+
+impl<T> vec_utils<T> for Vec<T> {
+ fn length_(&self) -> usize { self.len() }
+ fn iter_<F>(&self, mut f: F) where F: FnMut(&T) { for x in self { f(x); } }
+ fn map_<U, F>(&self, mut f: F) -> Vec<U> where F: FnMut(&T) -> U {
+ let mut r = Vec::new();
+ for elt in self {
+ r.push(f(elt));
+ }
+ r
+ }
+}
+
+pub fn main() {
+ assert_eq!(10_usize.plus(), 30);
+ assert_eq!(("hi".to_string()).plus(), 200);
+
+ assert_eq!((vec![1]).length_().str(), "1".to_string());
+ let vect = vec![3, 4].map_(|a| *a + 4);
+ assert_eq!(vect[0], 7);
+ let vect = (vec![3, 4]).map_::<usize, _>(|a| *a as usize + 4_usize);
+ assert_eq!(vect[0], 7_usize);
+ let mut x = 0_usize;
+ 10_usize.multi(|_n| x += 2_usize );
+ assert_eq!(x, 20_usize);
+}