Interface ExpressionNode

All Known Implementing Classes:
ExpressionNode.Const, ExpressionNode.Empty, ExpressionNode.Operator, ExpressionNode.Param, ExpressionNode.Ref
public sealed interface ExpressionNode permits ExpressionNode.Operator, ExpressionNode.Ref, ExpressionNode.Const, ExpressionNode.Param, ExpressionNode.Empty
A node in an expression tree, as stored on an expression variable card. Nodes are immutable.

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Interface
    Description
    static final record 
    ExpressionNode.Const
    An inline constant value.
    static final class 
    ExpressionNode.Empty
    An unfilled slot, only present while editing.
    static final record 
    ExpressionNode.Operator
    An operator applied to child nodes.
    static final record 
    ExpressionNode.Param
    A reference to a parameter of the expression.
    static final record 
    ExpressionNode.Ref
    A reference to another variable card in the network, by variable id.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final ExpressionNode.Empty
    EMPTY
    A shared empty node instance.