================================================================================
Integer literals
================================================================================

0;
0___0;
123;
0usize;
123i32;
123u32;
123_u32;
0xff_u8;
0o70_i16;
0b1111_1111_1001_0000_i32;
1u128;

--------------------------------------------------------------------------------

(source_file
  (expression_statement
    (integer_literal))
  (expression_statement
    (integer_literal))
  (expression_statement
    (integer_literal))
  (expression_statement
    (integer_literal))
  (expression_statement
    (integer_literal))
  (expression_statement
    (integer_literal))
  (expression_statement
    (integer_literal))
  (expression_statement
    (integer_literal))
  (expression_statement
    (integer_literal))
  (expression_statement
    (integer_literal))
  (expression_statement
    (integer_literal)))

================================================================================
Floating-point literals
================================================================================

123.123;
2.;
123.0f64;
0.1f64;
0.1f32;
12E+99_f64;

--------------------------------------------------------------------------------

(source_file
  (expression_statement
    (float_literal))
  (expression_statement
    (float_literal))
  (expression_statement
    (float_literal))
  (expression_statement
    (float_literal))
  (expression_statement
    (float_literal))
  (expression_statement
    (float_literal)))

================================================================================
String literals
================================================================================

"";
"abc";
b"foo\nbar";
"foo\
    bar";
"\"foo\"";
"/* foo bar */ foo bar";
"foo\x42\x43bar";
"foo \x42  \x43 bar";

--------------------------------------------------------------------------------

(source_file
  (expression_statement
    (string_literal))
  (expression_statement
    (string_literal))
  (expression_statement
    (string_literal
      (escape_sequence)))
  (expression_statement
    (string_literal
      (escape_sequence)))
  (expression_statement
    (string_literal
      (escape_sequence)
      (escape_sequence)))
  (expression_statement
    (string_literal))
  (expression_statement
    (string_literal
      (escape_sequence)
      (escape_sequence)))
  (expression_statement
    (string_literal
      (escape_sequence)
      (escape_sequence))))

================================================================================
Raw string literals
================================================================================

r#"abc"#; r##"ok"##;
r##"foo #"# bar"##;
r###"foo ##"## bar"###;
r######"foo ##### bar"######;

--------------------------------------------------------------------------------

(source_file
  (expression_statement
    (raw_string_literal))
  (expression_statement
    (raw_string_literal))
  (expression_statement
    (raw_string_literal))
  (expression_statement
    (raw_string_literal))
  (expression_statement
    (raw_string_literal)))

================================================================================
Raw byte string literals
================================================================================

br#"abc"#;
br##"abc"##;

--------------------------------------------------------------------------------

(source_file
  (expression_statement
    (raw_string_literal))
  (expression_statement
    (raw_string_literal)))

================================================================================
Character literals
================================================================================

'a';
'\'';
'\0';
b'x';
'\t';
'\xff';
'\\';

--------------------------------------------------------------------------------

(source_file
  (expression_statement
    (char_literal))
  (expression_statement
    (char_literal))
  (expression_statement
    (char_literal))
  (expression_statement
    (char_literal))
  (expression_statement
    (char_literal))
  (expression_statement
    (char_literal))
  (expression_statement
    (char_literal)))

================================================================================
Boolean literals
================================================================================

true;
false;

--------------------------------------------------------------------------------

(source_file
  (expression_statement
    (boolean_literal))
  (expression_statement
    (boolean_literal)))