set max parsing theads to 4

1 files changed, 3 insertions, 2 deletions

diff --git a/src/splitter.rs b/src/splitter.rs
index c4015e8..d3a0bdb 100644
--- a/src/splitter.rs
+++ b/src/splitter.rs
@@ -6,13 +6,14 @@ pub fn split_to_words(data : String) -> Vec<String> {
     let mut v : Vec<String> = data
         .to_lowercase()
         .split_whitespace()
-        .map(str::to_string).collect();
+        .map(String::from)
+        .collect();
 
     for word in v.iter_mut() {
         word.retain(|c| !r#"{}[]#(),".;:?!'%|0123456789/\^"#.contains(c))
     }
 
-    v.retain(|str| !str.is_empty() && !str.contains("--"));
+    v.retain(|str| !str.is_empty());
 
     v
 }