Update my_token.move

Author: root28root

mytoken/sources/my_token.move

@@ -1,30 +1,25 @@
 module MyToken::coin {
+    use 0x1::signer;
 
-use 0x1::signer;
-
-    /// Resource that represents a simple token
+    /// Simple in-memory coin (educational)
     struct Coin has store { value: u64 }
 
     const EINSUFFICIENT_BALANCE: u64 = 1;
 
-    /// Mint new tokens
-    public fun mint(owner: &signer, amount: u64): Coin {
+    public fun mint(_owner: &signer, amount: u64): Coin {
         Coin { value: amount }
     }
 
-    /// Get balance
     public fun balance(coin: &Coin): u64 {
         coin.value
     }
 
-    /// Transfer tokens
     public fun transfer(from: &mut Coin, amount: u64): Coin {
         assert!(from.value >= amount, EINSUFFICIENT_BALANCE);
         from.value = from.value - amount;
         Coin { value: amount }
     }
 
-    /// Burn tokens
     public fun burn(coin: Coin): u64 {
         let amount = coin.value;
         amount