'cargo update' solutions

[rust-101.git] / src / part08.rs

diff --git a/src/part08.rs b/src/part08.rs
index 2c6dfc5a3679c215a466ee56ebf47fc6e212bb99..c18cbeb957e673a2d19bce1e01c0bee4c4213b54 100644 (file)
--- a/src/part08.rs
+++ b/src/part08.rs
@@ -91,13 +91,13 @@ impl ops::Add<BigInt> for BigInt {
     }
 }
 
     }
 }
 

-// ## Traits and borrowed types
+// ## Traits and reference types

 //@ If you inspect the addition function above closely, you will notice that it actually consumes ownership of both operands
 //@ to produce the result. This is, of course, in general not what we want. We'd rather like to be able to add two `&BigInt`.
 
 // Writing this out becomes a bit tedious, because trait implementations (unlike functions) require full explicit annotation
 // of lifetimes. Make sure you understand exactly what the following definition says. Notice that we can implement a trait for
 //@ If you inspect the addition function above closely, you will notice that it actually consumes ownership of both operands
 //@ to produce the result. This is, of course, in general not what we want. We'd rather like to be able to add two `&BigInt`.
 
 // Writing this out becomes a bit tedious, because trait implementations (unlike functions) require full explicit annotation
 // of lifetimes. Make sure you understand exactly what the following definition says. Notice that we can implement a trait for

-// a borrowed type!
+// a reference type!

 impl<'a, 'b> ops::Add<&'a BigInt> for &'b BigInt {
     type Output = BigInt;
     fn add(self, rhs: &'a BigInt) -> Self::Output {
 impl<'a, 'b> ops::Add<&'a BigInt> for &'b BigInt {
     type Output = BigInt;
     fn add(self, rhs: &'a BigInt) -> Self::Output {


@@ -152,4 +152,4 @@ mod tests {
 // **Exercise 08.6**: Write a subtraction function, and testcases for it. Decide for yourself how you want to handle negative results.
 // For example, you may want to return an `Option`, to panic, or to return `0`.
 
 // **Exercise 08.6**: Write a subtraction function, and testcases for it. Decide for yourself how you want to handle negative results.
 // For example, you may want to return an `Option`, to panic, or to return `0`.
 

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+//@ [index](main.html) | [previous](part07.html) | [raw source](workspace/src/part08.rs) | [next](part09.html)