Basic blocks of Swan to combine
flows.
An expression (expr) is built from valid identifiers representing flows,
constant, sensor and combine pre-defined operators and more complex operators. The
following sections list the operators, each of them having its own reference card
explaining how to use it in an expression.
Combinational Operations
| Binary Arithmetic | +, -,*, /,mod |
| Unary arithmetic | - |
| Numeric cast | :> |
| Boolean | and, or, xor,not |
| Relational | <>,=, <, <=,>, >= |
| Bitwise | land, lor, lxor, lnot, lsl, lsr |
| Selection | if/then/else, case |
