Use mem::swap to swap variables

mattico · mattico · commit da53b70d34e8 · 2016-08-20T22:30:02.000-05:00
diff --git a/src/float/add.rs b/src/float/add.rs
@@ -74,9 +74,7 @@ macro_rules! add {
 
             // Swap a and b if necessary so that a has the larger absolute value.
             if b_abs > a_abs {
-                let temp = a_rep;
-                a_rep = b_rep;
-                b_rep = temp;
+                ::core::mem::swap(&mut a_rep, &mut b_rep);
             }
 
             // Extract the exponent and significand from the (possibly swapped) a and b.

Original file line number	Diff line number	Diff line change
`@@ -74,9 +74,7 @@ macro_rules! add {`
`74`	`74`
`75`	`75`	`// Swap a and b if necessary so that a has the larger absolute value.`
`76`	`76`	`if b_abs > a_abs {`
`77`		`- let temp = a_rep;`
`78`		`- a_rep = b_rep;`
`79`		`- b_rep = temp;`
	`77`	`+ ::core::mem::swap(&mut a_rep, &mut b_rep);`
`80`	`78`	`}`
`81`	`79`
`82`	`80`	`// Extract the exponent and significand from the (possibly swapped) a and b.`