reto03 finish

ejercicios/reto03/src/main.rs

@@ -12,20 +12,48 @@ use rand::Rng;
 fn main() {
     // configurar:
     let veces = 13;
-    let letras_mayusculas = true;
+    let mayusculas = true;
     let numeros = true;
     let simbolos = true;
 
     let mut caracteres = String::from_utf8((b'a'..=b'z').collect()).unwrap();
-    if letras_mayusculas {
-        let vector_mayusculas = String::from_utf8((b'A'..=b'Z').collect()).unwrap();
-        caracteres += vector_mayusculas.to_string().as_str();
+    if mayusculas {
+        let string_mayusculas = String::from_utf8((b'A'..=b'Z').collect()).unwrap();
+        caracteres += string_mayusculas.to_string().as_str();
     }
+    if numeros {
+        let string_numeros = String::from_utf8((b'0'..=b'9').collect()).unwrap();
+        caracteres += string_numeros.to_string().as_str();
+    }
+    if simbolos {
+        for num in 33..48 {
+            let u8 = num as u8;
+            let caracter = u8 as char;
+            caracteres += caracter.to_string().as_str();
+        }
+        for num in 58..65 {
+            let u8 = num as u8;
+            let caracter = u8 as char;
+            caracteres += caracter.to_string().as_str();
+        }
+        for num in 91..97 {
+            let u8 = num as u8;
+            let caracter = u8 as char;
+            caracteres += caracter.to_string().as_str();
+        }
+        for num in 123..127 {
+            let u8 = num as u8;
+            let caracter = u8 as char;
+            caracteres += caracter.to_string().as_str();
+        }
+    }
+
+    println!("Caracteres: {}", caracteres);
     let mut texto: String = String::new();
     for _ in 0..veces {
-        let num: u8 = rand::thread_rng().gen_range(33..127);
-        let caracter = num as char;
-        texto += &caracter.to_string();
+        let num = rand::thread_rng().gen_range(0..caracteres.len());
+        let caracter = caracteres.chars().nth(num).unwrap();
+        texto += caracter.to_string().as_str();
     }
     println!("{}", texto.to_string());
 }