Data commit

Task/Mad-Libs/Rust/mad-libs.rust

@@ -0,0 +1,43 @@
+extern crate regex;
+
+use regex::Regex;
+use std::collections::HashMap;
+use std::io;
+
+fn main() {
+    let mut input_line = String::new();
+    let mut template = String::new();
+
+    println!("Please enter a multi-line story template with <parts> to replace, terminated by a blank line.\n");
+    loop {
+        io::stdin()
+            .read_line(&mut input_line)
+            .expect("The read line failed.");
+        if input_line.trim().is_empty() {
+            break;
+        }
+        template.push_str(&input_line);
+        input_line.clear();
+    }
+
+    let re = Regex::new(r"<[^>]+>").unwrap();
+    let mut parts: HashMap<_, _> = re
+        .captures_iter(&template)
+        .map(|x| (x.get(0).unwrap().as_str().to_string(), "".to_string()))
+        .collect();
+    if parts.is_empty() {
+        println!("No <parts> to replace.\n");
+    } else {
+        for (k, v) in parts.iter_mut() {
+            println!("Please provide a replacement for {}: ", k);
+            io::stdin()
+                .read_line(&mut input_line)
+                .expect("The read line failed.");
+            *v = input_line.trim().to_string();
+            println!();
+            template = template.replace(k, v);
+            input_line.clear();
+        }
+    }
+    println!("Resulting story:\n\n{}", template);
+}