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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/statics/static-impl.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/statics/static-impl.rs')
-rw-r--r-- | src/test/ui/statics/static-impl.rs | 66 |
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); +} |