refactor

rootulp · rootulp · commit 1e654e944d65 · 2025-01-09T22:24:07.000-05:00
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')
 }

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-use std::collections::{HashMap, HashSet};`
	`1`	`+use std::collections::HashMap;`
`2`	`2`
`3`	`3`	`pub fn count(nucleotide: char, dna: &str) -> Result<usize, char> {`
`4`	`4`	`if !valid_nucleotide(nucleotide) {`
`@@ -28,6 +28,5 @@ fn default_map() -> HashMap<char, usize> {`
`28`	`28`	`}`
`29`	`29`
`30`	`30`	`fn valid_nucleotide(c: char) -> bool {`
`31`		`- let nucleotides = HashSet::from(['A', 'C', 'G', 'T']);`
`32`		`- nucleotides.contains(&c)`
	`31`	`+ matches!(c, 'A' \| 'C' \| 'G' \| 'T')`
`33`	`32`	`}`