Add Complement DNA in Rust

PsOverflow · Oct 11, 2018 · e8b373b · e8b373b
1 parent 3e4416d
commit e8b373b
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/code/online_challenges/src/rosalind/complement_dna_strand/complement_dna.rs b/code/online_challenges/src/rosalind/complement_dna_strand/complement_dna.rs
@@ -0,0 +1,16 @@
+fn complement_dna(dna: &str) -> String {
+    dna.chars()
+        .rev()
+        .map(|c| match c {
+            'A' => 'T',
+            'T' => 'A',
+            'C' => 'G',
+            'G' => 'C',
+            _ => ' ',
+        }).collect()
+}
+
+#[test]
+fn sample_test() {
+    assert_eq!(complement_dna("AAAACCCGGT"), "ACCGGGTTTT");
+}