=== 1. Literals ===
decimal: 42
hex: 255
binary: 10
float: 3.140000
f64: 2.718281
true: true
false: false
escapes: hello	world
multiline: line1
line2
heredoc: raw heredoc

undef-then-set: 77
enum-lit: .green
null-ptr: null
string-len: 5
empty-string: 0