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

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

---

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

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

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

---

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

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

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

---

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

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

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

---

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

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

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

---

(source_file
  (raw_string_literal)
  (raw_string_literal))

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

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

---

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

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

true;
false;

---

(source_file (boolean_literal) (boolean_literal))