MOD unnecessary negations

jorgecarleitao · May 1, 2022 · 1f0bdab · 1f0bdab
1 parent 53a313d
commit 1f0bdab
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/io/ndjson/read/file.rs b/src/io/ndjson/read/file.rs
@@ -104,7 +104,7 @@ pub fn infer<R: std::io::BufRead>(
     reader: &mut R,
     number_of_rows: Option<usize>,
 ) -> Result<DataType> {
-    if !reader.fill_buf().map(|b| !b.is_empty())? {
+    if reader.fill_buf().map(|b| b.is_empty())? {
         return Err(ArrowError::ExternalFormat(
             "Cannot infer NDJSON types on empty reader because empty string is not a valid JSON value".to_string(),
         ));