run fmt command

Author: alirezasariri78

src/financial/mod.rs

@@ -1,5 +1,4 @@
-mod price_plus_tax;
 mod present_value;
-pub use price_plus_tax::price_plus_tax;
+mod price_plus_tax;
 pub use present_value::present_value;
-
+pub use price_plus_tax::price_plus_tax;

src/financial/present_value.rs

@@ -1,10 +1,9 @@
-#[derive(PartialEq, Eq,Debug)]
-pub enum PresentValueError{
+#[derive(PartialEq, Eq, Debug)]
+pub enum PresentValueError {
     NegetiveDiscount,
-    EmptyCashFlow
+    EmptyCashFlow,
 }
 
-
 pub fn present_value(discount_rate: f64, cash_flows: Vec<f64>) -> Result<f64, PresentValueError> {
     if discount_rate < 0.0 {
         return Err(PresentValueError::NegetiveDiscount);
@@ -13,7 +12,9 @@ pub fn present_value(discount_rate: f64, cash_flows: Vec<f64>) -> Result<f64, Pr
         return Err(PresentValueError::EmptyCashFlow);
     }
 
-    let present_value = cash_flows.iter().enumerate()
+    let present_value = cash_flows
+        .iter()
+        .enumerate()
         .map(|(i, &cash_flow)| cash_flow / (1.0 + discount_rate).powi(i as i32))
         .sum::<f64>();
 
@@ -26,27 +27,43 @@ mod tests {
 
     #[test]
     fn test_present_value() {
+        assert_eq!(
+            4.69,
+            present_value(0.13, vec![10.0, 20.70, -293.0, 297.0]).unwrap()
+        );
 
-        assert_eq!(4.69,present_value(0.13, vec![10.0, 20.70, -293.0, 297.0]).unwrap());
-
-        assert_eq!( -42739.63,present_value(0.07, vec![-109129.39, 30923.23, 15098.93, 29734.0,39.0]).unwrap());
+        assert_eq!(
+            -42739.63,
+            present_value(0.07, vec![-109129.39, 30923.23, 15098.93, 29734.0, 39.0]).unwrap()
+        );
 
-        assert_eq!(175519.15,present_value(0.07, vec![109129.39, 30923.23, 15098.93, 29734.0,39.0]).unwrap());
+        assert_eq!(
+            175519.15,
+            present_value(0.07, vec![109129.39, 30923.23, 15098.93, 29734.0, 39.0]).unwrap()
+        );
     }
 
     #[test]
     fn test_present_value_negative_discount_rate() {
-        assert_eq!(PresentValueError::NegetiveDiscount,present_value(-1.0, vec![10.0, 20.70, -293.0, 297.0]).unwrap_err());
-
+        assert_eq!(
+            PresentValueError::NegetiveDiscount,
+            present_value(-1.0, vec![10.0, 20.70, -293.0, 297.0]).unwrap_err()
+        );
     }
 
     #[test]
     fn test_present_value_empty_cash_flow() {
-        assert_eq!(PresentValueError::EmptyCashFlow,present_value(1.0, vec![]).unwrap_err());
+        assert_eq!(
+            PresentValueError::EmptyCashFlow,
+            present_value(1.0, vec![]).unwrap_err()
+        );
     }
 
     #[test]
     fn test_present_value_zero_discount_rate() {
-        assert_eq!(184924.55,present_value(0.0, vec![109129.39, 30923.23, 15098.93, 29734.0,39.0]).unwrap());
+        assert_eq!(
+            184924.55,
+            present_value(0.0, vec![109129.39, 30923.23, 15098.93, 29734.0, 39.0]).unwrap()
+        );
     }
 }