✨ feat(vscode): 代码阅读预览里跨几行写的列表按项拆开，列表里整项是调用的带着自己的实参表，一层层能往下套

vscode/src/codeReader/languages/rust.ts

@@ -1,8 +1,8 @@
-import type { Access, AttributeFacts, AttributeItem, CfgPredicate, ClassFacts, CodeBlock, CommentBlock, EnumBlock, FunctionBlock, ImplBlock, ImportBlock, ImportItem, LanguageAdapter, Node, ParameterFacts, SourceSpan, TokenRole, TraitBlock } from '../contract'
+import type { Access, AttributeFacts, AttributeItem, CfgPredicate, ClassFacts, CodeBlock, CollectionFacts, CommentBlock, EnumBlock, FunctionBlock, ImplBlock, ImportBlock, ImportItem, LanguageAdapter, Node, ParameterFacts, SourceSpan, TokenRole, TraitBlock } from '../contract'
 import type { CommentRules } from './shared'
 import * as path from 'node:path'
 import { leadingAttributes, visibilityFacts } from '../rules/rustTree'
-import { attachComments, children, compoundShape, extendHeader, headerSpan, isCommentNode, leafBlock, leafShape, listBlocks, named } from './shared'
+import { attachComments, children, compoundShape, extendHeader, headerSpan, isCommentNode, leafBlock, leafShape, listBlocks, named, syntaxChildren } from './shared'
 
 const STORAGE = new Set(['pub', 'async', 'const', 'static', 'mut', 'let'])
 
@@ -15,9 +15,18 @@ export function createRustAdapter(wasmDir: string): LanguageAdapter {
     tokenRole: rustTokenRole,
     lineComment: '//',
     freshDoc,
+    collection: rustCollection,
   }
 }
 
+/** 数组 `[a, b]`、元组 `(a, b)` 的各项；`[值; 个数]` 不是一项项写出来的，别的节点也没有。项前面的 `#[…]` 不算一项。 */
+function rustCollection(node: Node): CollectionFacts | undefined {
+  const listed = node.type === 'tuple_expression' || (node.type === 'array_expression' && !node.childForFieldName('length'))
+  if (!listed)
+    return undefined
+  return { kind: 'sequence', elements: syntaxChildren(node).filter(child => child.type !== 'attribute_item').map(value => ({ kind: 'item', value })) }
+}
+
 /** extern 块本身不成一块源码，里面的签名跟所在这一层的别的项走同一条路。 */
 function unwrapExtern(item: Node): Node[] {
   if (item.type !== 'foreign_mod_item')