add word score game (issue #325)

Cargo.lock

@@ -110,3 +110,7 @@ name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
+[[package]]
+name = "word-score"
+version = "0.1.0"

Cargo.toml

@@ -7,5 +7,6 @@ members = [
   "parens",
   "repeated-groups",
   "scrabble",
-  "scramble"
+  "scramble",
+  "word-score"
 ]

word-score/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "word-score"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+

word-score/src/main.rs

@@ -0,0 +1,21 @@
+fn main() {
+    let highest = vec!["apple", "banana", "cherry", "date", "fig"]
+        .into_iter()
+        .map(|w| (w, score(w.to_owned())))
+        .reduce(|acc, b| {
+            if b.1 > acc.1 {
+                return b;
+            }
+            acc
+        })
+        .unwrap();
+    println!("{}: {}", highest.0, highest.1);
+}
+
+fn score(word: String) -> u32 {
+    word.chars()
+        .into_iter()
+        .map(|c| c.to_ascii_lowercase() as u32 - 96)
+        .sum::<u32>()
+        * word.len() as u32
+}