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Line : constant String := Ada.Text_IO.Get_Line;End_Error is raised if EOF is reached.
var line = Console.ReadLine();Returns `null` if EOF is triggered and no characters are supplied.
Scanner s = new Scanner(System.in);
String line = s.nextLine();
s.close();The `nextLine` method will throw `NoSuchElementException` when no line is found, and `IllegalStateException` when the scanner is closed.
readln(line);processing reading the inputs stops when EOF is reached.
$line = <STDIN>;The < > operator evaluates a filehandle, in this case the built-in filehandle STDIN, which in turn reads a line and returns it. $line contains its trailing newline, if it was present. If EOF is reached, the undefined value (undef) is returned. Perl treats undef as false when tested in a condition.
line = getsEOF returns nil
let mut buffer = String::new();
let mut stdin = io::stdin();
stdin.read_line(&mut buffer).unwrap();String is empty if EOF