Started Rust in Action MEAP.

1 files changed, 0 insertions, 43 deletions

diff --git a/lifetimes/src/main.rs b/lifetimes/src/main.rs
deleted file mode 100644
index 87b6ce6..0000000
--- a/lifetimes/src/main.rs
+++ /dev/null
@@ -1,43 +0,0 @@
-fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
-    // what this is doing is basically tagging x and y and the
-    // result with the same 'a, telling rust not to let any
-    // of them expire before the others; that way nothing
-    // will go out of scope prematurely and the result will
-    // always have a non-null reference
-
-    // basically, 'a gives all three values the same lifetime.
-    // so long as they're all alive at the same time, there are
-    // no reference errors
-    
-    // note that the lifetime selected for the result is 
-    // equal to the smaller of the lifetimes of the 
-    // parameters
-
-    if x.len() > y.len() {
-        x
-    }
-    else {
-        y
-    }
-}
-
-struct ImportantExcerpt<'a> {
-    part: &'a str,
-}
-
-fn main() {
-    let string1 = String::from("abcd");
-    {
-    let string2 = "xyz";
-
-    let result = longest(string1.as_str(), string2);
-    //dbg!(result);
-    }
-
-    let script = String::from("Before time began, there was the cube. We know not where it comes from.");
-    let first_sentence = script.split('.')
-        .next()
-        .expect("Could not find a '.'");
-    let i = ImportantExcerpt { part: first_sentence };
-    dbg!(i.part);
-}