refactor

rootulp · Jan 10, 2025 · 1e654e9 · 1e654e9
1 parent ede62b2
commit 1e654e9
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/rust/nucleotide-count/src/lib.rs b/rust/nucleotide-count/src/lib.rs
@@ -1,4 +1,4 @@
-use std::collections::{HashMap, HashSet};
+use std::collections::HashMap;
 
 pub fn count(nucleotide: char, dna: &str) -> Result<usize, char> {
     if !valid_nucleotide(nucleotide) {
@@ -28,6 +28,5 @@ fn default_map() -> HashMap<char, usize> {
 }
 
 fn valid_nucleotide(c: char) -> bool {
-    let nucleotides = HashSet::from(['A', 'C', 'G', 'T']);
-    nucleotides.contains(&c)
+    matches!(c, 'A' | 'C' | 'G' | 'T')
 }