Update the updated book links

1 files changed, 28 insertions, 22 deletions

diff --git a/README-template.hbs b/README-template.hbs
index c7d8bf6..5cfec7f 100644
--- a/README-template.hbs
+++ b/README-template.hbs
@@ -26,7 +26,7 @@ issue](https://github.com/carols10cents/rustlings/issues/new) or submit a pull r
 ### Variable bindings
 
 [Relevant chapter in The Rust Programming
-Language](https://doc.rust-lang.org/stable/book/first-edition/variable-bindings.html)
+Language](https://doc.rust-lang.org/book/second-edition/ch03-01-variables-and-mutability.html)
 
 {{ playground_link "variables/variables1.rs" }}
 {{ playground_link "variables/variables2.rs" }}
@@ -36,7 +36,7 @@ Language](https://doc.rust-lang.org/stable/book/first-edition/variable-bindings.
 ### Functions
 
 [Relevant chapter in The Rust Programming
-Language](https://doc.rust-lang.org/stable/book/first-edition/functions.html)
+Language](https://doc.rust-lang.org/book/second-edition/ch03-03-how-functions-work.html)
 
 {{ playground_link "functions/functions1.rs" }}
 {{ playground_link "functions/functions2.rs" }}
@@ -47,7 +47,7 @@ Language](https://doc.rust-lang.org/stable/book/first-edition/functions.html)
 ### Primitive types
 
 [Relevant chapter in The Rust Programming
-Language](https://doc.rust-lang.org/stable/book/first-edition/primitive-types.html)
+Language](https://doc.rust-lang.org/book/second-edition/ch03-02-data-types.html)
 
 {{ playground_link "primitive_types/primitive_types1.rs" }}
 {{ playground_link "primitive_types/primitive_types2.rs" }}
@@ -58,11 +58,11 @@ Language](https://doc.rust-lang.org/stable/book/first-edition/primitive-types.ht
 
 ### Tests
 
-Going out of order from the Syntax and Semantics section of the book to cover tests-- many of the
-following exercises will ask you to make tests pass!
+Going out of order from the book to cover tests-- many of the following exercises will ask you to
+make tests pass!
 
-[Testing chapter from the Effective Rust section of the
-book](https://doc.rust-lang.org/stable/book/first-edition/testing.html)
+[Relevant chapter in The Rust Programming
+Language](https://doc.rust-lang.org/book/second-edition/ch11-01-writing-tests.html)
 
 {{ playground_link "tests/tests1.rs" }}
 {{ playground_link "tests/tests2.rs" }}
@@ -72,14 +72,14 @@ book](https://doc.rust-lang.org/stable/book/first-edition/testing.html)
 ### If
 
 [Relevant chapter in The Rust Programming
-Language](https://doc.rust-lang.org/stable/book/first-edition/if.html)
+Language](https://doc.rust-lang.org/book/second-edition/ch03-05-control-flow.html)
 
 {{ playground_link "if/if1.rs" }}
 
 ### Strings
 
 [Relevant chapter in The Rust Programming
-Language](https://doc.rust-lang.org/stable/book/first-edition/strings.html)
+Language](https://doc.rust-lang.org/book/second-edition/ch08-02-strings.html)
 
 {{ playground_link "strings/strings1.rs" }}
 {{ playground_link "strings/strings2.rs" }}
@@ -92,9 +92,8 @@ Tutorial](https://pnkfelix.github.io/rust-examples-icfp2014/) -- thank you Felix
 
 Relevant chapters in the book:
 
-- [Ownership](https://doc.rust-lang.org/stable/book/first-edition/ownership.html)
-- [References and
-  borrowing](https://doc.rust-lang.org/stable/book/first-edition/references-and-borrowing.html)
+- [Ownership](https://doc.rust-lang.org/book/second-edition/ch04-01-what-is-ownership.html)
+- [References and borrowing](https://doc.rust-lang.org/book/second-edition/ch04-02-references-and-borrowing.html)
 
 Note that the exercises in this section may look similar to each other but they are subtly
 different :)
@@ -107,15 +106,20 @@ different :)
 ### Modules
 
 [Relevant chapter in The Rust Programming
-Language](https://doc.rust-lang.org/stable/book/first-edition/crates-and-modules.html)
+Language](https://doc.rust-lang.org/book/second-edition/ch07-01-mod-and-the-filesystem.html)
 
 {{ playground_link "modules/modules1.rs" }}
 {{ playground_link "modules/modules2.rs" }}
 
 ### Macros
 
-[Check out the Macros section of the
-book](https://doc.rust-lang.org/book/first-edition/macros.html).
+Check out:
+
+- [The Macros section of the first edition of the book
+  book](https://doc.rust-lang.org/book/first-edition/macros.html)
+- [The Macros appendix of the second edition of the
+  book](https://doc.rust-lang.org/book/second-edition/appendix-04-macros.html)
+- [The Little Book of Rust Macros](https://danielkeep.github.io/tlborm/book/index.html)
 
 {{ playground_link "macros/macros1.rs" }}
 {{ playground_link "macros/macros2.rs" }}
@@ -124,8 +128,10 @@ book](https://doc.rust-lang.org/book/first-edition/macros.html).
 
 ### Error Handling
 
-The [Error Handling](https://doc.rust-lang.org/stable/book/first-edition/error-handling.html) and
-[Generics](https://doc.rust-lang.org/stable/book/first-edition/generics.html) sections are relevant.
+The [Error
+Handling](https://doc.rust-lang.org/book/second-edition/ch09-02-recoverable-errors-with-result.html)
+and [Generics](https://doc.rust-lang.org/book/second-edition/ch10-01-syntax.html) sections are
+relevant.
 
 {{ playground_link "error_handling/option1.rs" }}
 {{ playground_link "error_handling/result1.rs" }}
@@ -138,8 +144,8 @@ The [Error Handling](https://doc.rust-lang.org/stable/book/first-edition/error-h
 
 #### `Arc`
 
-The [Concurrency](https://doc.rust-lang.org/stable/book/first-edition/concurrency.html) section is
-relevant.
+The [Concurrency](https://doc.rust-lang.org/book/second-edition/ch16-03-shared-state.html) section
+is relevant.
 
 {{ playground_link "standard_library_types/arc1.rs" }}
 
@@ -149,7 +155,7 @@ Do not adjust your monitors-- iterators 1 and 2 are indeed missing. Iterator 3 i
 so we're leaving space for some exercises to lead up to it!
 
 Check out the [Iterators chapter of the
-book](https://doc.rust-lang.org/stable/book/first-edition/iterators.html) and the [Iterator
+book](https://doc.rust-lang.org/book/second-edition/ch13-02-iterators.html) and the [Iterator
 docs](https://doc.rust-lang.org/stable/std/iter/trait.Iterator.html).
 
 {{ playground_link "standard_library_types/iterator3.rs" }}
@@ -159,8 +165,8 @@ docs](https://doc.rust-lang.org/stable/std/iter/trait.Iterator.html).
 
 See [the Dining Philosophers
 example](https://doc.rust-lang.org/1.4.0/book/first-edition/dining-philosophers.html) and the
-[Concurrency Chapter](https://doc.rust-lang.org/stable/book/first-edition/concurrency.html) from
-the book.
+[Concurrency Chapter](https://doc.rust-lang.org/book/second-edition/ch16-01-threads.html) from the
+book.
 
 {{ playground_link "threads/threads1.rs" }}