fix cargo fmt

src/machine/variant_hashing.rs

@@ -1,11 +1,11 @@
 use crate::forms::*;
 use crate::heap_iter::*;
-use crate::types::*;
-use crate::machine::*;
 use crate::machine::heap::*;
+use crate::machine::*;
+use crate::types::*;
 
-use fxhash::{FxHasher, FxBuildHasher};
-use hashbrown::{HashTable};
+use fxhash::{FxBuildHasher, FxHasher};
+use hashbrown::HashTable;
 
 use std::hash::{Hash, Hasher};
 
@@ -91,7 +91,7 @@ impl MachineState {
                         hasher.write_u64(*canonical_id);
             }
                 _ => {
-		    if let Some(n) = Number::try_from((term, &self.arena.f64_tbl)).ok() {
+                if let Ok(n) = Number::try_from((term, &self.arena.f64_tbl)) {
                 match n {
                     Number::Float(f) => f.hash(&mut hasher),
                     Number::Integer(n) => n.hash(&mut hasher),
@@ -141,25 +141,30 @@ impl MachineState {
         let mut list_of_lists = Vec::with_capacity(table.len());
 
         for (_, keys, variants) in table {
-	    if let None = keys.windows(2).try_for_each(|cells| {
+            if keys
+                .windows(2)
+                .try_for_each(|cells| {
                     unify_fn!(*self, cells[0], cells[1]);
-		if self.fail { None } else { Some(()) }
-	    }) {
+                    if self.fail {
+                        None
+                    } else {
+                        Some(())
+                    }
+                })
+                .is_none()
+            {
                 return Ok(());
             }
 
             let variant_list_cell = resource_error_call_result!(
                 self,
-		sized_iter_to_heap_list(
-		    &mut self.heap,
-		    variants.len(),
-		    variants.into_iter(),
-		)
+                sized_iter_to_heap_list(&mut self.heap, variants.len(), variants.into_iter(),)
             );
 
             let mut writer = resource_error_call_result!(self, self.heap.reserve(3));
 
-	    let key_val_cell = writer.write_with(|section| {
+            let key_val_cell = writer
+                .write_with(|section| {
                     let key_val_cell = str_loc_as_cell!(section.cell_len());
 
                     section.push_cell(atom_as_cell!(atom!("-"), 2));
@@ -167,7 +172,8 @@ impl MachineState {
                     section.push_cell(variant_list_cell);
 
                     key_val_cell
-	    }).result;
+                })
+                .result;
 
             list_of_lists.push(key_val_cell);
         }
@@ -186,5 +192,3 @@ impl MachineState {
         Ok(())
     }
 }
-
-