primitive_types3 solution

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_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");
+    }
+}