From 742fb08e010725868ebdce41038461088d95a3d9 Mon Sep 17 00:00:00 2001
From: mokou <mokou@fastmail.com>
Date: Tue, 12 Jul 2022 11:08:29 +0200
Subject: [PATCH] feat(functions): more small fixes

---
 exercises/functions/functions1.rs | 2 +-
 exercises/functions/functions2.rs | 2 +-
 exercises/functions/functions3.rs | 2 +-
 exercises/functions/functions4.rs | 5 ++++-
 exercises/functions/functions5.rs | 4 ++--
 info.toml                         | 9 +++++++--
 6 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/exercises/functions/functions1.rs b/exercises/functions/functions1.rs
index 3112527..03d8af7 100644
--- a/exercises/functions/functions1.rs
+++ b/exercises/functions/functions1.rs
@@ -1,5 +1,5 @@
 // functions1.rs
-// Make me compile! Execute `rustlings hint functions1` for hints :)
+// Execute `rustlings hint functions1` or use the `hint` watch subcommand for a hint.
 
 // I AM NOT DONE
 
diff --git a/exercises/functions/functions2.rs b/exercises/functions/functions2.rs
index 5721a17..7d40a57 100644
--- a/exercises/functions/functions2.rs
+++ b/exercises/functions/functions2.rs
@@ -1,5 +1,5 @@
 // functions2.rs
-// Make me compile! Execute `rustlings hint functions2` for hints :)
+// Execute `rustlings hint functions2` or use the `hint` watch subcommand for a hint.
 
 // I AM NOT DONE
 
diff --git a/exercises/functions/functions3.rs b/exercises/functions/functions3.rs
index ed5f839..3b9e585 100644
--- a/exercises/functions/functions3.rs
+++ b/exercises/functions/functions3.rs
@@ -1,5 +1,5 @@
 // functions3.rs
-// Make me compile! Execute `rustlings hint functions3` for hints :)
+// Execute `rustlings hint functions3` or use the `hint` watch subcommand for a hint.
 
 // I AM NOT DONE
 
diff --git a/exercises/functions/functions4.rs b/exercises/functions/functions4.rs
index 58637e4..65d5be4 100644
--- a/exercises/functions/functions4.rs
+++ b/exercises/functions/functions4.rs
@@ -1,8 +1,11 @@
 // functions4.rs
-// Make me compile! Execute `rustlings hint functions4` for hints :)
+// Execute `rustlings hint functions4` or use the `hint` watch subcommand for a hint.
 
 // This store is having a sale where if the price is an even number, you get
 // 10 Rustbucks off, but if it's an odd number, it's 3 Rustbucks off.
+// (Don't worry about the function bodies themselves, we're only interested
+// in the signatures for now. If anything, this is a good way to peek ahead
+// to future exercises!)
 
 // I AM NOT DONE
 
diff --git a/exercises/functions/functions5.rs b/exercises/functions/functions5.rs
index d22aa6c..5d76296 100644
--- a/exercises/functions/functions5.rs
+++ b/exercises/functions/functions5.rs
@@ -1,11 +1,11 @@
 // functions5.rs
-// Make me compile! Execute `rustlings hint functions5` for hints :)
+// Execute `rustlings hint functions5` or use the `hint` watch subcommand for a hint.
 
 // I AM NOT DONE
 
 fn main() {
     let answer = square(3);
-    println!("The answer is {}", answer);
+    println!("The square of 3 is {}", answer);
 }
 
 fn square(num: i32) -> i32 {
diff --git a/info.toml b/info.toml
index d790643..84df911 100644
--- a/info.toml
+++ b/info.toml
@@ -114,7 +114,9 @@ path = "exercises/functions/functions3.rs"
 mode = "compile"
 hint = """
 This time, the function *declaration* is okay, but there's something wrong
-with the place where we're calling the function."""
+with the place where we're calling the function.
+As a reminder, you can freely play around with different solutions in Rustlings!
+Watch mode will only jump to the next exercise if you remove the I AM NOT DONE comment."""
 
 [[exercises]]
 name = "functions4"
@@ -123,7 +125,10 @@ mode = "compile"
 hint = """
 The error message points to line 14 and says it expects a type after the
 `->`. This is where the function's return type should be-- take a look at
-the `is_even` function for an example!"""
+the `is_even` function for an example!
+
+Also: Did you figure out that, technically, u32 would be the more fitting type
+for the prices here, since they can't be negative? If so, kudos!"""
 
 [[exercises]]
 name = "functions5"