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authorolivia <olivia@fastmail.com>2018-11-09 20:31:14 +0100
committerolivia <olivia@fastmail.com>2018-11-09 20:31:14 +0100
commitf7846af7ac388652a6f80a2bbce926ba8f053062 (patch)
tree954ee36257047ac612654c5f35e18ed27deda97f /exercises/ex4.rs
parent850a13e9133fedb2fce27884902e0aab94da9692 (diff)
right let's try this one again
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diff --git a/exercises/ex4.rs b/exercises/ex4.rs
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+++ b/exercises/ex4.rs
@@ -0,0 +1,14 @@
+// ex4.rs
+// Make me compile!
+
+fn something() -> Result<i32, std::num::ParseIntError> {
+ let x:i32 = "3".parse();
+ Ok(x * 4)
+}
+
+fn main() {
+ match something() {
+ Ok(..) => println!("You win!"),
+ Err(e) => println!("Oh no something went wrong: {}", e),
+ }
+}