An Expression represents a node in an expression tree, which may be non-terminal or terminal. It defines a symbol, and has a possibly empty sequence of operands that are ValueSpecifications. It denotes a (possibly empty) set of values when evaluated in a context.
An Expression represents a node in an expression tree, which may be non-terminal or terminal. It defines a symbol, and has a possibly empty sequence of operands that are ValueSpecifications. It denotes a (possibly empty) set of values when evaluated in a context.