Data commit

Task/Non-decimal-radices-Convert/Rust/non-decimal-radices-convert.rust

@@ -0,0 +1,35 @@
+fn format_with_radix(mut n: u32, radix: u32) -> String {
+    assert!(2 <= radix && radix <= 36);
+
+    let mut result = String::new();
+
+    loop {
+        result.push(std::char::from_digit(n % radix, radix).unwrap());
+        n /= radix;
+        if n == 0 {
+            break;
+        }
+    }
+
+    result.chars().rev().collect()
+}
+
+#[cfg(test)]
+#[test]
+fn test() {
+    for value in 0..100u32 {
+        for radix in 2..=36 {
+            let s = format_with_radix(value, radix);
+            let v = u32::from_str_radix(s.as_str(), radix).unwrap();
+            assert_eq!(value, v);
+        }
+    }
+}
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    println!("{}", format_with_radix(0xdeadbeef, 2));
+    println!("{}", format_with_radix(0xdeadbeef, 36));
+    println!("{}", format_with_radix(0xdeadbeef, 16));
+    println!("{}", u32::from_str_radix("DeadBeef", 16)?);
+    Ok(())
+}