Update lib.rs, added info that needed panic messages can be found in the tests. (#157)

add cover and back to downloadable pdf

.github/workflows/ci.yml

@@ -31,11 +31,11 @@ jobs:
         run: cargo install --path helpers/mdbook-exercise-linker
       - name: Install link shortener plugin
         run: cargo install --path helpers/mdbook-link-shortener
-      - name: Install mdbook-pandoc, calibre and related dependencies
+      - name: Install mdbook-pandoc, calibre, pdftk and related dependencies
         run: |
           cargo install mdbook-pandoc --locked --version 0.7.1
           sudo apt-get update
-          sudo apt-get install -y fonts-noto calibre
+          sudo apt-get install -y fonts-noto calibre pdftk
           
           export PANDOC_VERSION=3.3
           curl -LsSf https://github.com/jgm/pandoc/releases/download/${PANDOC_VERSION}/pandoc-${PANDOC_VERSION}-linux-amd64.tar.gz | tar zxf -
@@ -81,6 +81,10 @@ jobs:
         run: |
           cd book
           mdbook build
+      - name: Add cover and back to downloadable PDF
+        run: |
+          pdftk book/assets/cover.pdf book/book/pandoc/pdf/100-exercises-to-learn-rust.pdf book/assets/back.pdf cat output book/book/pandoc/pdf/100-exercises-to-learn-rust-with-cover.pdf
+          mv book/book/pandoc/pdf/100-exercises-to-learn-rust-with-cover.pdf book/book/pandoc/pdf/100-exercises-to-learn-rust.pdf
       - name: Convert HTML to ePUB
         run: |
           cd book/book/pandoc/html

book/book.toml

@@ -119,18 +119,6 @@ standalone = true
 metadata-file = "metadata.yml"
 
 [output.pandoc.profile.html.variables]
-mainfont = "CoreSansA45.ttf"
-mainfontoptions = [
-  "BoldFont=CoreSansA65.ttf",
-  "ItalicFont=CoreSansA45It.ttf",
-  "BoldItalicFont=CoreSansA65It.ttf",
-]
-sansfont = "CoreSansA45.ttf"
-sansfontoptions = [
-  "BoldFont=CoreSansA65.ttf",
-  "ItalicFont=CoreSansA45It.ttf",
-  "BoldItalicFont=CoreSansA65It.ttf",
-]
 # You can get these fonts here: https://fonts.google.com/selection?query=noto+color+
 monofont = "Noto Sans Mono"
 mainfontfallback = ["Noto Color Emoji:mode=harf"]
@@ -138,6 +126,4 @@ sansfontfallback = ["Noto Color Emoji:mode=harf"]
 monofontfallback = [
   "Noto Color Emoji:mode=harf",
 ]
-linkcolor = "Links"
-urlcolor = "Links"
 urlstyle = "rm"

book/link2alias.json

@@ -181,6 +181,7 @@
   "https://valgrind.org/docs/manual/dh-manual.html": "f2t",
   "https://veykril.github.io/tlborm/": "fz5",
   "https://without.boats/blog/the-scoped-task-trilemma/": "f67",
+  "https://www.amazon.com/dp/B0DJ14KQQG/": "f6g",
   "https://www.lpalmieri.com/": "ffv",
   "https://www.lpalmieri.com/posts/2020-12-11-zero-to-production-6-domain-modelling/": "f4t",
   "https://www.oreilly.com/library/view/programming-rust-2nd/9781492052586/": "f6y",

book/src/01_intro/00_welcome.md

@@ -34,8 +34,8 @@ also find solutions to all exercises in the
 
 ## Formats
 
-You can go through the course material [in the browser](https://rust-exercises.com/100-exercises/).\
+You can go through the course material [in the browser](https://rust-exercises.com/100-exercises/) or [download it as a PDF file](https://rust-exercises.com/100-exercises-to-learn-rust.pdf), for offline reading.\
-You can also [download it as a PDF file](https://rust-exercises.com/100-exercises-to-learn-rust.pdf), for offline reading.
+If you prefer to have the course material printed out, [buy a paperback copy on Amazon](https://www.amazon.com/dp/B0DJ14KQQG/).
 
 ## Structure
 

book/src/06_ticket_management/07_combinators.md

@@ -1,7 +1,7 @@
 # Combinators
 
 Iterators can do so much more than `for` loops!\
-If you look at the documentation for the `Iterator` trait, you'll find a **vast** collections of
+If you look at the documentation for the `Iterator` trait, you'll find a **vast** collection of
 methods that you can leverage to transform, filter, and combine iterators in various ways.
 
 Let's mention the most common ones:

book/src/08_futures/01_async_fn.md

@@ -107,7 +107,7 @@ asynchronous programming in Rust.
 The entrypoint of your executable, the `main` function, must be a synchronous function.
 That's where you're supposed to set up and launch your chosen async runtime.
 
-Most runtimes provides a macro to make this easier. For `tokio`, it's `tokio::main`:
+Most runtimes provide a macro to make this easier. For `tokio`, it's `tokio::main`:
 
 ```rust
 #[tokio::main]

exercises/03_ticket_v1/02_validation/src/lib.rs

@@ -12,6 +12,7 @@ impl Ticket {
     //   - the `title` should be at most 50 bytes long.
     //   - the `description` should be at most 500 bytes long.
     //  The method should panic if any of the requirements are not met.
+    //  You can find the needed panic messages in the tests.
     //
     // You'll have to use what you learned in the previous exercises,
     // as well as some `String` methods. Use the documentation of Rust's standard library

site/_redirects

@@ -180,6 +180,7 @@
 /f2t https://valgrind.org/docs/manual/dh-manual.html
 /fz5 https://veykril.github.io/tlborm/
 /f67 https://without.boats/blog/the-scoped-task-trilemma/
+/f6g https://www.amazon.com/dp/B0DJ14KQQG/
 /ffv https://www.lpalmieri.com/
 /f4t https://www.lpalmieri.com/posts/2020-12-11-zero-to-production-6-domain-modelling/
 /f6y https://www.oreilly.com/library/view/programming-rust-2nd/9781492052586/