add initial data

length-of-last-word/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "length-of-last-word"
+version = "0.1.0"

length-of-last-word/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "length-of-last-word"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

length-of-last-word/src/main.rs

@@ -0,0 +1,7 @@
+fn main() {
+    dbg!(length_of_last_word("Hello World".to_string()));
+}
+
+fn length_of_last_word(s: String) -> i32 {
+    s.split_whitespace().last().unwrap().len() as _
+}