run cargo fmt

src/repl_helper.rs

@@ -1,9 +1,9 @@
 use indexmap::IndexSet;
-use rustyline::completion::{Completer, Candidate};
+use rustyline::completion::{Candidate, Completer};
+use rustyline::highlight::{Highlighter, MatchingBracketHighlighter};
 use rustyline::hint::Hinter;
 use rustyline::validate::Validator;
-use rustyline::highlight::{MatchingBracketHighlighter, Highlighter};
-use rustyline::{Helper as RlHelper, Result, Context};
+use rustyline::{Context, Helper as RlHelper, Result};
 
 use crate::atom_table::{Atom, STATIC_ATOMS_MAP};
 
@@ -43,7 +43,7 @@ fn get_prefix(line: &str, pos: usize) -> Option<usize> {
         }
 
         if i == pos {
-            break
+            break;
         }
     }
 
@@ -58,27 +58,29 @@ pub struct StrPtr(*const str);
 
 impl Candidate for StrPtr {
     fn display(&self) -> &str {
-        unsafe {
-            self.0.as_ref().unwrap()
-        }
+        unsafe { self.0.as_ref().unwrap() }
     }
 
     fn replacement(&self) -> &str {
-        unsafe {
-            self.0.as_ref().unwrap()
-        }
+        unsafe { self.0.as_ref().unwrap() }
     }
 }
 
 impl Completer for Helper {
     type Candidate = StrPtr;
 
-    fn complete(&self, line: &str, pos: usize, _ctx: &Context<'_>) -> Result<(usize, Vec<Self::Candidate>)> {
+    fn complete(
+        &self,
+        line: &str,
+        pos: usize,
+        _ctx: &Context<'_>,
+    ) -> Result<(usize, Vec<Self::Candidate>)> {
         let start_of_prefix = get_prefix(line, pos);
         if let Some(idx) = start_of_prefix {
             let sub_str = line.get(idx..pos).unwrap();
             Ok((idx, unsafe {
-                let mut matching = (*self.atoms).iter()
+                let mut matching = (*self.atoms)
+                    .iter()
                     .chain(STATIC_ATOMS_MAP.values())
                     .filter(|a| a.as_str().starts_with(sub_str))
                     .map(|s| StrPtr(s.as_str()))