feat(functions): more small fixes

This commit is contained in:
mokou 2022-07-12 11:08:29 +02:00
parent 093a525450
commit 742fb08e01
6 changed files with 16 additions and 8 deletions

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@ -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

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@ -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

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@ -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

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@ -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

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@ -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 {

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@ -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"