Create BO87AN.rs

f616xP/BO87AN.rs

@@ -0,0 +1,32 @@
+use std::io::Write;
+
+fn read_string() -> String
+{
+  let mut text = String::new();
+  std::io::stdin().read_line(&mut text)
+    .expect("Error while getting input");
+  return text;
+}
+
+fn exit()
+{
+  println!("Press enter to exit...");
+  read_string();
+}
+
+fn main()
+{
+  println!("\n");
+  let mut dec: u64 = 0;
+  print!("Enter a binary number: "); 
+  std::io::stdout().flush().unwrap();
+  let bin = read_string();
+  for (i, bit) in bin.trim().chars().rev().enumerate()
+  {
+    let bit_num = bit.to_digit(10)
+      .expect("Error while parsing bit");
+    dec += (bit_num * u32::pow(2, i as u32)) as u64;
+  }
+  println!("Binary: {}, Decimal: {}", bin.trim(), dec);
+  exit();
+}