diff options
Diffstat (limited to 'rustlings-macros')
| -rw-r--r-- | rustlings-macros/info.toml | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/rustlings-macros/info.toml b/rustlings-macros/info.toml index 2cc1db6..604f674 100644 --- a/rustlings-macros/info.toml +++ b/rustlings-macros/info.toml @@ -755,21 +755,18 @@ https://doc.rust-lang.org/stable/book/ch10-01-syntax.html#in-method-definitions" name = "traits1" dir = "15_traits" hint = """ -A discussion about Traits in Rust can be found at: -https://doc.rust-lang.org/book/ch10-02-traits.html -""" +More about traits in The Book: +https://doc.rust-lang.org/book/ch10-02-traits.html""" [[exercises]] name = "traits2" dir = "15_traits" hint = """ -Notice how the trait takes ownership of `self`, and returns `Self`. - -Try mutating the incoming string vector. Have a look at the tests to see -what the result should look like! +Notice how the trait takes ownership of `self` and returns `Self`. -Vectors provide suitable methods for adding an element at the end. See -the documentation at: https://doc.rust-lang.org/std/vec/struct.Vec.html""" +Although the signature of `append_bar` in the trait takes `self` as argument, +the implementation can take `mut self` instead. This is possible because the +the value is owned anyway.""" [[exercises]] name = "traits3" |