All current work

rust-training-static-analyser/src/main.rs

@@ -0,0 +1,31 @@
+use std::collections::HashMap;
+use std::io::{self, Write};
+
+fn main() {
+    let mut input: String = String::new();
+
+    io::stdin()
+        .read_line(&mut input)
+        .unwrap();
+
+    let target: String =  input.chars()
+        .filter(|c| c.is_alphanumeric() || c.is_whitespace())
+        .collect();
+
+    let answer = count_words(&target);
+
+    for (word, count) in &answer {
+        println!("{} {}", word, count);
+    }
+}
+
+fn count_words(text: &str) -> HashMap<&str, usize> {
+    let mut result: HashMap<&str, usize> = HashMap::new();
+
+    for word in text.split_whitespace() {
+        *result.entry(word).or_insert(0) += 1;
+
+    }
+
+    result
+}