more baics

Cargo.toml

@@ -21,3 +21,7 @@ path = "vec.rs"
 [[bin]]
 name = "strings"
 path = "strings.rs"
+
+[[bin]]
+name = "multilingual"
+path = "multilingual.rs"

multilingual.rs

@@ -0,0 +1,13 @@
+fn main() {
+    let multilingual = "Hi! ¡Hola! привет!";
+    let maybe = multilingual.find('п');
+
+    if maybe.is_some() {
+        let hi = &multilingual[maybe.unwrap()..];
+        let hio = &multilingual[11..13];
+        println!("hio  {}", hio);
+        println!("hello russkov {}", hi)
+
+
+    }
+}

strings.rs

@@ -8,6 +8,7 @@ fn array_to_string(arr: &[i32]) -> String {
         res += ", "
     }
     res.pop();
+    res.pop();
     res.push(']');
     res
 }
@@ -23,4 +24,6 @@ fn main() {
 
     let arr2 = &[3, 2, 1, 0, -1];
     let res = array_to_string(arr2);
+    let formated = format!("hello {}", res);
+    println!("{}", formated);
 }