Cargo.lock

@@ -506,9 +506,9 @@ dependencies = [
 
 [[package]]
 name = "parking_lot"
-version = "0.12.3"
+version = "0.12.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1bf18183cf54e8d6059647fc3063646a1801cf30896933ec2311622cc4b9a27"
+checksum = "7e4af0ca4f6caed20e900d564c242b8e5d4903fdacf31d3daf527b66fe6f42fb"
 dependencies = [
  "lock_api",
  "parking_lot_core",
@@ -825,9 +825,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.66"
+version = "2.0.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c42f3f41a2de00b01c0aaad383c5a45241efc8b2d1eda5661812fda5f3cdcff5"
+checksum = "d2863d96a84c6439701d7a38f9de935ec562c8832cc55d1dde0f513b52fad106"
 dependencies = [
  "proc-macro2",
  "quote",

exercises/04_primitive_types/primitive_types1.rs

@@ -1,12 +1,14 @@
+// Fill in the rest of the line that has code missing!
+
 fn main() {
+    // Booleans (`bool`)
+
     let is_morning = true;
     if is_morning {
         println!("Good morning!");
     }
 
-    // TODO: Define a boolean variable with the name `is_evening` before the `if` statement below.
+    let // Finish the rest of this line like the example! Or make it be false!
-    // The value of the variable should be the negation (opposite) of `is_morning`.
-    // let …
     if is_evening {
         println!("Good evening!");
     }

rustlings-macros/info.toml

@@ -234,10 +234,7 @@ hint = "No hints this time ;)"
 name = "primitive_types1"
 dir = "04_primitive_types"
 test = false
-hint = """
+hint = "No hints this time ;)"
-In Rust, a boolean can be negated using the operator `!` before it.
-Example: `!true == false`
-This also works with boolean variables."""
 
 [[exercises]]
 name = "primitive_types2"

solutions/04_primitive_types/primitive_types1.rs

@@ -1,11 +1 @@
-fn main() {
+// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
-    let is_morning = true;
-    if is_morning {
-        println!("Good morning!");
-    }
-
-    let is_evening = !is_morning;
-    if is_evening {
-        println!("Good evening!");
-    }
-}