method Node.isUnaryExpressionimport { Node } from "https://deno.land/x/fresh@1.5.4/src/dev/deps.ts"; isUnaryExpression(node: Node | undefined): node is UnaryExpressionGets if the node is a UnaryExpression. Gets if the node is a UnaryExpression. Parametersnode: Node | undefined Node to check. Returnsnode is UnaryExpression