From 0d87ae21094ab17df2313007303efd4002799efe Mon Sep 17 00:00:00 2001 From: asif256000 Date: Thu, 14 Dec 2023 16:43:26 +0530 Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20=F0=9F=A6=80=20Traits=20Solved?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- exercises/traits/traits1.rs | 6 +++--- exercises/traits/traits2.rs | 9 ++++++--- exercises/traits/traits3.rs | 6 +++--- exercises/traits/traits4.rs | 4 +--- exercises/traits/traits5.rs | 4 +--- 5 files changed, 14 insertions(+), 15 deletions(-) diff --git a/exercises/traits/traits1.rs b/exercises/traits/traits1.rs index 5b9d8d50..c9dcfa54 100644 --- a/exercises/traits/traits1.rs +++ b/exercises/traits/traits1.rs @@ -9,14 +9,14 @@ // implementing this trait. // Execute `rustlings hint traits1` or use the `hint` watch subcommand for a hint. -// I AM NOT DONE - trait AppendBar { fn append_bar(self) -> Self; } impl AppendBar for String { - //Add your code here + fn append_bar(self) -> Self { + self + "Bar" + } } fn main() { diff --git a/exercises/traits/traits2.rs b/exercises/traits/traits2.rs index 708bb19a..cb8adfa9 100644 --- a/exercises/traits/traits2.rs +++ b/exercises/traits/traits2.rs @@ -11,13 +11,16 @@ // you can do this! // Execute `rustlings hint traits2` or use the `hint` watch subcommand for a hint. -// I AM NOT DONE - trait AppendBar { fn append_bar(self) -> Self; } -//TODO: Add your code here +impl AppendBar for Vec { + fn append_bar(mut self) -> Self { + self.push(String::from("Bar")); + self + } +} #[cfg(test)] mod tests { diff --git a/exercises/traits/traits3.rs b/exercises/traits/traits3.rs index 6d2fd6c3..86e425fa 100644 --- a/exercises/traits/traits3.rs +++ b/exercises/traits/traits3.rs @@ -7,10 +7,10 @@ // Consider what you can add to the Licensed trait. // Execute `rustlings hint traits3` or use the `hint` watch subcommand for a hint. -// I AM NOT DONE - pub trait Licensed { - fn licensing_info(&self) -> String; + fn licensing_info(&self) -> String { + String::from("Some information") + } } struct SomeSoftware { diff --git a/exercises/traits/traits4.rs b/exercises/traits/traits4.rs index 6b541665..ab2d6447 100644 --- a/exercises/traits/traits4.rs +++ b/exercises/traits/traits4.rs @@ -4,8 +4,6 @@ // Don't change any line other than the marked one. // Execute `rustlings hint traits4` or use the `hint` watch subcommand for a hint. -// I AM NOT DONE - pub trait Licensed { fn licensing_info(&self) -> String { "some information".to_string() @@ -20,7 +18,7 @@ impl Licensed for SomeSoftware {} impl Licensed for OtherSoftware {} // YOU MAY ONLY CHANGE THE NEXT LINE -fn compare_license_types(software: ??, software_two: ??) -> bool { +fn compare_license_types(software: impl Licensed, software_two: impl Licensed) -> bool { software.licensing_info() == software_two.licensing_info() } diff --git a/exercises/traits/traits5.rs b/exercises/traits/traits5.rs index 0fbca28a..ee97497d 100644 --- a/exercises/traits/traits5.rs +++ b/exercises/traits/traits5.rs @@ -4,8 +4,6 @@ // Don't change any line other than the marked one. // Execute `rustlings hint traits5` or use the `hint` watch subcommand for a hint. -// I AM NOT DONE - pub trait SomeTrait { fn some_function(&self) -> bool { true @@ -27,7 +25,7 @@ impl SomeTrait for OtherStruct {} impl OtherTrait for OtherStruct {} // YOU MAY ONLY CHANGE THE NEXT LINE -fn some_func(item: ??) -> bool { +fn some_func(item: T) -> bool { item.some_function() && item.other_function() }