From 1336838264d7776d8dd7890e971ac83e7c7db9fa Mon Sep 17 00:00:00 2001
From: lukaszKielar <kielar.lukasz@hotmail.com>
Date: Tue, 30 Jun 2020 21:54:08 +0200
Subject: [PATCH] finish from_into exercise
---
exercises/conversions/from_into.rs | 29 ++++++++++++++++++++++++++++-
1 file changed, 28 insertions(+), 1 deletion(-)
diff --git a/exercises/conversions/from_into.rs b/exercises/conversions/from_into.rs
index 8fb9eb0..428a0a6 100644
--- a/exercises/conversions/from_into.rs
+++ b/exercises/conversions/from_into.rs
@@ -18,7 +18,6 @@ impl Default for Person {
}
}
-// I AM NOT DONE
// Your task is to complete this implementation
// in order for the line `let p = Person::from("Mark,20")` to compile
// Please note that you'll need to parse the age component into a `usize`
@@ -35,6 +34,34 @@ impl Default for Person {
// Otherwise, then return an instantiated Person object with the results
impl From<&str> for Person {
fn from(s: &str) -> Person {
+ if s.len() == 0 {
+ Person::default()
+ } else {
+ let elems: Vec<&str> = s.split(",").collect();
+
+ // missing comma
+ if elems.len() != 2 {
+ return Person::default();
+ }
+
+ let name = elems[0].to_string();
+ let age = elems[1];
+
+ if name.len() == 0 {
+ return Person::default();
+ }
+
+ if age.len() == 0 {
+ return Person::default();
+ }
+
+ let age = match age.parse::<usize>() {
+ Ok(age) => age,
+ Err(_) => return Person::default(),
+ };
+
+ Person { name, age }
+ }
}
}