primitive_types3 solution

Cargo.lock

@@ -151,9 +151,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clap"
-version = "4.5.4"
+version = "4.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bc066a67923782aa8515dbaea16946c5bcc5addbd668bb80af688e53e548a0"
+checksum = "a9689a29b593160de5bc4aacab7b5d54fb52231de70122626c178e6a368994c7"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -161,9 +161,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.5.2"
+version = "4.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae129e2e766ae0ec03484e609954119f123cc1fe650337e155d03b022f24f7b4"
+checksum = "2e5387378c84f6faa26890ebf9f0a92989f8873d4d380467bcd0d8d8620424df"
 dependencies = [
  "anstream",
  "anstyle",
@@ -173,9 +173,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.5.4"
+version = "4.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "528131438037fd55894f62d6e9f068b8f45ac57ffa77517819645d10aed04f64"
+checksum = "c780290ccf4fb26629baa7a1081e68ced113f1d3ec302fa5948f1c381ebf06c6"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -185,9 +185,9 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.7.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce"
+checksum = "4b82cf0babdbd58558212896d1a4272303a57bdb245c2bf1147185fb45640e70"
 
 [[package]]
 name = "colorchoice"
@@ -886,9 +886,9 @@ checksum = "0336d538f7abc86d282a4189614dfaa90810dfc2c6f6427eaf88e16311dd225d"
 
 [[package]]
 name = "utf8parse"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
 [[package]]
 name = "version_check"
@@ -1093,9 +1093,9 @@ checksum = "bec47e5bfd1bff0eeaf6d8b485cc1074891a197ab4225d504cb7a1ab88b02bf0"
 
 [[package]]
 name = "winnow"
-version = "0.6.11"
+version = "0.6.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56c52728401e1dc672a56e81e593e912aa54c78f40246869f78359a2bf24d29d"
+checksum = "59b5e5f6c299a3c7890b876a2a587f3115162487e704907d9b6cd29473052ba1"
 dependencies = [
  "memchr",
 ]

Cargo.toml

@@ -47,7 +47,7 @@ include = [
 
 [dependencies]
 anyhow = "1.0.86"
-clap = { version = "4.5.4", features = ["derive"] }
+clap = { version = "4.5.6", features = ["derive"] }
 crossterm = "0.27.0"
 hashbrown = "0.14.5"
 notify-debouncer-mini = { version = "0.4.1", default-features = false }

exercises/04_primitive_types/primitive_types1.rs

@@ -1,3 +1,5 @@
+// Booleans (`bool`)
+
 fn main() {
     let is_morning = true;
     if is_morning {

exercises/04_primitive_types/primitive_types2.rs

@@ -1,6 +1,6 @@
-fn main() {
+// Characters (`char`)
-    // Characters (`char`)
 
+fn main() {
     // Note the _single_ quotes, these are different from the double quotes
     // you've been seeing around.
     let my_first_initial = 'C';
@@ -12,9 +12,12 @@ fn main() {
         println!("Neither alphabetic nor numeric!");
     }
 
-    let // Finish this line like the example! What's your favorite character?
+    // TODO: Analogous to the example before, declare a variable called `your_character`
-    // Try a letter, try a number, try a special character, try a character
+    // below with your favorite character.
-    // from a different language than your own, try an emoji!
+    // Try a letter, try a digit (in single quotes), try a special character, try a character
+    // from a different language than your own, try an emoji 😉
+    // let your_character = '';
+
     if your_character.is_alphabetic() {
         println!("Alphabetical!");
     } else if your_character.is_numeric() {

exercises/04_primitive_types/primitive_types3.rs

@@ -1,12 +1,11 @@
-// Create an array with at least 100 elements in it where the ??? is.
-
 fn main() {
-    let a = ???
+    // TODO: Create an array with at least 100 elements in it where the ??? is.
+    // let a = ???
 
     if a.len() >= 100 {
         println!("Wow, that's a big array!");
     } else {
         println!("Meh, I eat arrays like that for breakfast.");
-        panic!("Array not big enough, more elements needed")
+        panic!("Array not big enough, more elements needed");
     }
 }

rustlings-macros/info.toml

@@ -250,7 +250,7 @@ name = "primitive_types3"
 dir = "04_primitive_types"
 test = false
 hint = """
-There's a shorthand to initialize Arrays with a certain size that does not
+There's a shorthand to initialize arrays with a certain size that doesn't
 require you to type in 100 items (but you certainly can if you want!).
 
 For example, you can do:

solutions/04_primitive_types/primitive_types2.rs

@@ -1 +1,21 @@
-// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
+fn main() {
+    let my_first_initial = 'C';
+    if my_first_initial.is_alphabetic() {
+        println!("Alphabetical!");
+    } else if my_first_initial.is_numeric() {
+        println!("Numerical!");
+    } else {
+        println!("Neither alphabetic nor numeric!");
+    }
+
+    // Example with an emoji.
+    let your_character = '🦀';
+
+    if your_character.is_alphabetic() {
+        println!("Alphabetical!");
+    } else if your_character.is_numeric() {
+        println!("Numerical!");
+    } else {
+        println!("Neither alphabetic nor numeric!");
+    }
+}

solutions/04_primitive_types/primitive_types3.rs

@@ -1 +1,11 @@
-// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
+fn main() {
+    // An array with 100 elements of the value 42.
+    let a = [42; 100];
+
+    if a.len() >= 100 {
+        println!("Wow, that's a big array!");
+    } else {
+        println!("Meh, I eat arrays like that for breakfast.");
+        panic!("Array not big enough, more elements needed");
+    }
+}