An integer literal consists of one or more digits, optionally preceded by the unary minus symbol -.
Table 4.6. Integer literal
| Production | Syntax | Links |
|---|---|---|
integer_literal | unary_minus ? digit + | the section called “Integer literal” |
unary_minus | "-" | |
digit | "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" |