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Diffstat (limited to 'rustlings-macros/info.toml')
| -rw-r--r-- | rustlings-macros/info.toml | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/rustlings-macros/info.toml b/rustlings-macros/info.toml index 21a27dd..3edd1c6 100644 --- a/rustlings-macros/info.toml +++ b/rustlings-macros/info.toml @@ -319,15 +319,10 @@ of the Rust book to learn more. name = "vecs2" dir = "05_vecs" hint = """ -In the first function we are looping over the Vector and getting a reference to -one `element` at a time. +In the first function, we create an empty vector and want to push new elements +to it. -To modify the value of that `element` we need to use the `*` dereference -operator. You can learn more in this chapter of the Rust book: -https://doc.rust-lang.org/stable/book/ch08-01-vectors.html#iterating-over-the-values-in-a-vector - -In the second function this dereferencing is not necessary, because the `map` -function expects the new value to be returned. +In the second function, we map the values of the input and collect them into a vector. After you've completed both functions, decide for yourself which approach you like better. |