diff options
Diffstat (limited to 'rustlings-macros')
| -rw-r--r-- | rustlings-macros/info.toml | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/rustlings-macros/info.toml b/rustlings-macros/info.toml index 72f956b..744ad08 100644 --- a/rustlings-macros/info.toml +++ b/rustlings-macros/info.toml @@ -969,21 +969,16 @@ a different method that could make your code more compact than using `fold`.""" name = "box1" dir = "19_smart_pointers" hint = """ -Step 1: - -The compiler's message should help: since we cannot store the value of the +The compiler's message should help: Since we cannot store the value of the actual type when working with recursive types, we need to store a reference (pointer) to its value. -We should, therefore, place our `List` inside a `Box`. More details in the book -here: https://doc.rust-lang.org/book/ch15-01-box.html#enabling-recursive-types-with-boxes - -Step 2: +We should, therefore, place our `List` inside a `Box`. More details in The Book: +https://doc.rust-lang.org/book/ch15-01-box.html#enabling-recursive-types-with-boxes -Creating an empty list should be fairly straightforward (hint: peek at the -assertions). +Creating an empty list should be fairly straightforward (Hint: Read the tests). -For a non-empty list keep in mind that we want to use our `Cons` "list builder". +For a non-empty list, keep in mind that we want to use our `Cons` list builder. Although the current list is one of integers (`i32`), feel free to change the definition and try other types!""" |