3.6 Constants
constant |
::= |
integer-literal |
|
| |
string-literal |
|
| |
true |
|
| |
false |
The syntactic class of constants comprises literals from the three
base types (integers, character strings and booleans).
No special syntax is providesd for external constants (such as
floating point numbers). Such constants are introduced by explicitely
converting constants of the basic types.