just a pass of 'cargo fmt'

src/utils.rs

@@ -1,7 +1,7 @@
 use sodiumoxide::crypto::sign;
-use std::str;
 use std::env;
 use std::process;
+use std::str;
 
 fn print_help() {
     println!("Usage:");
@@ -28,41 +28,41 @@ fn gen_keypair() {
 fn validate_keypair(pk: &str, sk: &str) {
     let sk1 = base64::decode(&sk);
     match sk1 {
-        Ok(_) => {},
+        Ok(_) => {}
         Err(_) => {
             println!("Invalid secret key");
             process::exit(0x0001);
-        },
+        }
     }
     let sk1 = sk1.unwrap();
 
     let secret_key = sign::SecretKey::from_slice(sk1.as_slice());
     match secret_key {
-        Some(_) => {},
+        Some(_) => {}
         None => {
             println!("Invalid Secret key");
             process::exit(0x0001);
-        },
+        }
     }
     let secret_key = secret_key.unwrap();
 
     let pk1 = base64::decode(&pk);
     match pk1 {
-        Ok(_) => {},
+        Ok(_) => {}
         Err(_) => {
             println!("Invalid public key");
             process::exit(0x0001);
-        },
+        }
     }
     let pk1 = pk1.unwrap();
 
     let public_key = sign::PublicKey::from_slice(pk1.as_slice());
     match public_key {
-        Some(_) => {},
+        Some(_) => {}
         None => {
             println!("Invalid Public key");
             process::exit(0x0001);
-        },
+        }
     }
     let public_key = public_key.unwrap();
 
@@ -70,11 +70,11 @@ fn validate_keypair(pk: &str, sk: &str) {
     let signed_data = sign::sign(random_data_to_test, &secret_key);
     let verified_data = sign::verify(&signed_data, &public_key);
     match verified_data {
-        Ok(_) => {},
+        Ok(_) => {}
         Err(_) => {
             println!("Key pair is INVALID");
             process::exit(0x0001);
-        },
+        }
     }
     let verified_data = verified_data.unwrap();
 
@@ -99,8 +99,8 @@ fn main() {
             if args.len() <= 3 {
                 error_then_help("You must supply both the public and the secret key");
             }
-            validate_keypair(args[2].as_str(),args[3].as_str());
-        },
-        _=>print_help(),
+            validate_keypair(args[2].as_str(), args[3].as_str());
+        }
+        _ => print_help(),
     }
 }