building db support with diesel.rs

planner/src/solver.rs

@@ -122,8 +122,7 @@ impl<'a, V> ProblemBuilder<'a, V> {
             })
     }
 
-    pub fn add_variable(
-        mut self,
+    pub fn add_variable(mut self,
         name: String,
         domain: &'a Domain<V>,
         value: Option<&'a V>,
@@ -153,8 +152,7 @@ mod tests {
         let mut problem: Problem<_> = Problem::build()
             .add_variable(String::from("Left"), &domain, None)
             .add_variable(String::from("Right"), &domain, None)
-            .add_constraint(
-            |assign: &Variables<i32>| {
+            .add_constraint(|assign: &Variables<i32>| {
                 assign.get("Left").unwrap() == assign.get("Right").unwrap()
             })
             .finish();