|  | fn main() { | 
|  | // 1 byte in UTF-8 | 
|  | format!("\u{000041}{a}"); //~ ERROR cannot find value | 
|  | format!("\u{0041}{a}"); //~ ERROR cannot find value | 
|  | format!("\u{41}{a}"); //~ ERROR cannot find value | 
|  | format!("\u{0}{a}"); //~ ERROR cannot find value | 
|  |  | 
|  | // 2 bytes | 
|  | format!("\u{0df}{a}"); //~ ERROR cannot find value | 
|  | format!("\u{df}{a}"); //~ ERROR cannot find value | 
|  |  | 
|  | // 3 bytes | 
|  | format!("\u{00211d}{a}"); //~ ERROR cannot find value | 
|  | format!("\u{211d}{a}"); //~ ERROR cannot find value | 
|  |  | 
|  | // 4 bytes | 
|  | format!("\u{1f4a3}{a}"); //~ ERROR cannot find value | 
|  | format!("\u{10ffff}{a}"); //~ ERROR cannot find value | 
|  | } |