Data commit

Task/URL-encoding/Rust/url-encoding.rust

@@ -0,0 +1,18 @@
+const INPUT: &str = "http://foo bar/";
+const MAX_CHAR_VAL: u32 = std::char::MAX as u32;
+
+fn main() {
+    let mut buff = [0; 4];
+    println!("{}", INPUT.chars()
+        .map(|ch| {
+            match ch as u32 {
+                0 ..= 47 | 58 ..= 64 | 91 ..= 96 | 123 ..= MAX_CHAR_VAL => {
+                    ch.encode_utf8(&mut buff);
+                    buff[0..ch.len_utf8()].iter().map(|&byte| format!("%{:X}", byte)).collect::<String>()
+                },
+                _ => ch.to_string(),
+            }
+        })
+        .collect::<String>()
+    );
+}