Data update

Task/Variables/Rust/variables-1.rs

@@ -0,0 +1,8 @@
+let var01; // The compiler will infer the type or the compiler will ask for type annotations if the type can't be inferred
+let var02: u32; // The compiler will check if a value is assigned to var02 before being used
+let var03 = 5; // The compiler will infer the type or it will fallback to i32
+let var04 = 5u8; // Initialization to unsigned 8 bit (u8) number 5
+let var05: i8 = 5; // Type annotation + Initialization
+let var06: u8 = 5u8; // Type annotation + Initialization
+var01 = var05; // This line makes the compiler infer var01 should be a signed 8 bit number (i8).
+var02 = 9u32; // Assigning to var02 after declaration