Add skeleton for Vec<T> and tests

Author: Feliix42

Diff for: .gitignore

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+/target/
+**/*.rs.bk
+Cargo.lock

Diff for: Cargo.toml

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+[package]
+name = "slowsort"
+version = "1.0.0"
+authors = ["Felix Wittwer <[email protected]>"]
+
+[dependencies]

Diff for: src/lib.rs

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+pub trait Slowsort {
+    fn slowsort(&mut self) -> Self;
+}
+
+
+impl<T: Ord> Slowsort for Vec<T> {
+    fn slowsort(&mut self) -> Vec<T> {
+        unimplemented!();
+    }
+}

Diff for: tests/sorting.rs

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+extern crate slowsort;
+
+use slowsort::*;
+
+#[test]
+fn sorts_vectors() {
+    let mut unsorted_vec = vec![1, 4, 6, 7, 9, 2, 3, 8, 5];
+
+    unsorted_vec.slowsort();
+
+    assert_eq!(unsorted_vec, vec![1, 2, 3, 4, 5, 6, 7, 8, 9]);
+}