perf(rust, polars): use iterator instead of loop `polars_io::csv::par…

…ser::skip_condition` (#5157) Co-authored-by: Danny van Kooten <dannyvankooten@users.noreply.github.com>
pola-rs · Dec 27, 2022 · 52295bb · 52295bb
1 parent 7e1ddb9
commit 52295bb
Showing 1 changed file with 2 additions and 9 deletions.
diff --git a/polars/polars-io/src/csv/parser.rs b/polars/polars-io/src/csv/parser.rs
@@ -100,15 +100,8 @@ where
     if input.is_empty() {
         return input;
     }
-    let mut read = 0;
-    let len = input.len();
-    while read < len {
-        let b = input[read];
-        if !f(b) {
-            break;
-        }
-        read += 1;
-    }
+
+    let read = input.iter().position(|b| !f(*b)).unwrap_or(input.len());
     &input[read..]
 }