method Node.isExpressionedimport { Node } from "https://deno.land/x/fresh@1.6.1/src/dev/deps.ts"; isExpressioned<T extends Node>(node: T | undefined): node is ExpressionedNode & ExpressionedNodeExtensionType & TGets if the node is an ExpressionedNode. Gets if the node is an ExpressionedNode. Type ParametersT extends NodeParametersnode: T | undefinedReturnsnode is ExpressionedNode & ExpressionedNodeExtensionType & T