Expressions

An Expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context. Expressions are special because they are evaluated before sending the result to a channel.

The following operators are used for building expressions:

Arithmetic operators

The supported arithmetic operators are: +, -, /, *.

Relational operators

The supported relational operators are: >, >=, <, <=',==,!=`.

Logical operators

The supported logical operators are: and, or, not.

Matches expression

The p matches q expression is similar to

match p {
  q -> true
  _ -> false
}

The difference between matches and the above is that the former is an expression.

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