mirror of
https://github.com/danbulant/oxc
synced 2026-05-24 12:21:58 +00:00
201 lines
7.1 KiB
Rust
201 lines
7.1 KiB
Rust
use crate::snapshot;
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#[test]
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fn annotate_comment() {
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let cases = vec![
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r"
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x([
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/* #__NO_SIDE_EFFECTS__ */ function() {},
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/* #__NO_SIDE_EFFECTS__ */ function y() {},
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/* #__NO_SIDE_EFFECTS__ */ function*() {},
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/* #__NO_SIDE_EFFECTS__ */ function* y() {},
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/* #__NO_SIDE_EFFECTS__ */ async function() {},
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/* #__NO_SIDE_EFFECTS__ */ async function y() {},
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/* #__NO_SIDE_EFFECTS__ */ async function*() {},
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/* #__NO_SIDE_EFFECTS__ */ async function* y() {},
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])",
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r"
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x([
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/* #__NO_SIDE_EFFECTS__ */ y => y,
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/* #__NO_SIDE_EFFECTS__ */ () => {},
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/* #__NO_SIDE_EFFECTS__ */ (y) => (y),
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/* #__NO_SIDE_EFFECTS__ */ async y => y,
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/* #__NO_SIDE_EFFECTS__ */ async () => {},
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/* #__NO_SIDE_EFFECTS__ */ async (y) => (y),
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])",
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r"
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x([
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/* #__NO_SIDE_EFFECTS__ */ y => y,
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/* #__NO_SIDE_EFFECTS__ */ () => {},
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/* #__NO_SIDE_EFFECTS__ */ (y) => (y),
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/* #__NO_SIDE_EFFECTS__ */ async y => y,
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/* #__NO_SIDE_EFFECTS__ */ async () => {},
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/* #__NO_SIDE_EFFECTS__ */ async (y) => (y),
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])",
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r"
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// #__NO_SIDE_EFFECTS__
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function a() {}
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// #__NO_SIDE_EFFECTS__
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function* b() {}
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// #__NO_SIDE_EFFECTS__
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async function c() {}
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// #__NO_SIDE_EFFECTS__
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async function* d() {}
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",
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r"
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// #__NO_SIDE_EFFECTS__
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function a() {}
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// #__NO_SIDE_EFFECTS__
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function* b() {}
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// #__NO_SIDE_EFFECTS__
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async function c() {}
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// #__NO_SIDE_EFFECTS__
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async function* d() {}
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",
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r"
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/* @__NO_SIDE_EFFECTS__ */ export function a() {}
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/* @__NO_SIDE_EFFECTS__ */ export function* b() {}
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/* @__NO_SIDE_EFFECTS__ */ export async function c() {}
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/* @__NO_SIDE_EFFECTS__ */ export async function* d() {}",
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r"/* @__NO_SIDE_EFFECTS__ */ export function a() {}
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/* @__NO_SIDE_EFFECTS__ */ export function* b() {}
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/* @__NO_SIDE_EFFECTS__ */ export async function c() {}
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/* @__NO_SIDE_EFFECTS__ */ export async function* d() {}
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",
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// Only "c0" and "c2" should have "no side effects" (Rollup only respects "const" and only for the first one)
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r"
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/* #__NO_SIDE_EFFECTS__ */ export var v0 = function() {}, v1 = function() {}
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/* #__NO_SIDE_EFFECTS__ */ export let l0 = function() {}, l1 = function() {}
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/* #__NO_SIDE_EFFECTS__ */ export const c0 = function() {}, c1 = function() {}
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/* #__NO_SIDE_EFFECTS__ */ export var v2 = () => {}, v3 = () => {}
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/* #__NO_SIDE_EFFECTS__ */ export let l2 = () => {}, l3 = () => {}
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/* #__NO_SIDE_EFFECTS__ */ export const c2 = () => {}, c3 = () => {}
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",
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// Only "c0" and "c2" should have "no side effects" (Rollup only respects "const" and only for the first one)
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r"
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/* #__NO_SIDE_EFFECTS__ */ var v0 = function() {}, v1 = function() {}
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/* #__NO_SIDE_EFFECTS__ */ let l0 = function() {}, l1 = function() {}
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/* #__NO_SIDE_EFFECTS__ */ const c0 = function() {}, c1 = function() {}
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/* #__NO_SIDE_EFFECTS__ */ var v2 = () => {}, v3 = () => {}
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/* #__NO_SIDE_EFFECTS__ */ let l2 = () => {}, l3 = () => {}
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/* #__NO_SIDE_EFFECTS__ */ const c2 = () => {}, c3 = () => {}
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",
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r"
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isFunction(options)
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? // #8326: extend call and options.name access are considered side-effects
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// by Rollup, so we have to wrap it in a pure-annotated IIFE.
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/*#__PURE__*/ (() =>
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extend({ name: options.name }, extraOptions, { setup: options }))()
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: options
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",
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r"isFunction(options) ? /*#__PURE__*/ (() => extend({ name: options.name }, extraOptions, { setup: options }))() : options;
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",
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r"
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const obj = {
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props: /*#__PURE__*/ extend({}, TransitionPropsValidators, {
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tag: String,
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moveClass: String,
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}),
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};
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const p = /*#__PURE__*/ Promise.resolve();
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",
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r"
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const staticCacheMap = /*#__PURE__*/ new WeakMap()
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",
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r#"
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const builtInSymbols = new Set(
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/*#__PURE__*/
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Object.getOwnPropertyNames(Symbol)
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.filter(key => key !== "arguments" && key !== "caller")
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)
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"#,
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"(/* @__PURE__ */ new Foo()).bar();\n",
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"(/* @__PURE__ */ Foo()).bar();\n",
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"(/* @__PURE__ */ new Foo())['bar']();\n",
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"(/* @__PURE__ */ Foo())['bar']();\n",
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// https://github.com/oxc-project/oxc/issues/4843
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r"
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/* #__NO_SIDE_EFFECTS__ */
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const defineSSRCustomElement = /* @__NO_SIDE_EFFECTS__ */ (
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options,
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extraOptions,
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) => {
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return /* @__PURE__ */ defineCustomElement(options, extraOptions, hydrate);
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};
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",
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// Range leading comments
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r"
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const defineSSRCustomElement = () => {
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return /* @__PURE__ */ /* @__NO_SIDE_EFFECTS__ */ /* #__NO_SIDE_EFFECTS__ */ defineCustomElement(options, extraOptions, hydrate);
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};
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",
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"
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const Component = // #__PURE__
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React.forwardRef((props, ref) => {});
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",
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// Copy from <https://github.com/rolldown-rs/rolldown/blob/v0.14.0/crates/rolldown/tests/esbuild/dce/remove_unused_pure_comment_calls/entry.js>
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"
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function bar() {}
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let bare = foo(bar);
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let at_yes = /* @__PURE__ */ foo(bar);
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let at_no = /* @__PURE__ */ foo(bar());
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let new_at_yes = /* @__PURE__ */ new foo(bar);
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let new_at_no = /* @__PURE__ */ new foo(bar());
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let nospace_at_yes = /*@__PURE__*/ foo(bar);
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let nospace_at_no = /*@__PURE__*/ foo(bar());
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let nospace_new_at_yes = /*@__PURE__*/ new foo(bar);
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let nospace_new_at_no = /*@__PURE__*/ new foo(bar());
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let num_yes = /* #__PURE__ */ foo(bar);
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let num_no = /* #__PURE__ */ foo(bar());
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let new_num_yes = /* #__PURE__ */ new foo(bar);
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let new_num_no = /* #__PURE__ */ new foo(bar());
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let nospace_num_yes = /*#__PURE__*/ foo(bar);
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let nospace_num_no = /*#__PURE__*/ foo(bar());
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let nospace_new_num_yes = /*#__PURE__*/ new foo(bar);
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let nospace_new_num_no = /*#__PURE__*/ new foo(bar());
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let dot_yes = /* @__PURE__ */ foo(sideEffect()).dot(bar);
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let dot_no = /* @__PURE__ */ foo(sideEffect()).dot(bar());
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let new_dot_yes = /* @__PURE__ */ new foo(sideEffect()).dot(bar);
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let new_dot_no = /* @__PURE__ */ new foo(sideEffect()).dot(bar());
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let nested_yes = [1, /* @__PURE__ */ foo(bar), 2];
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let nested_no = [1, /* @__PURE__ */ foo(bar()), 2];
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let new_nested_yes = [1, /* @__PURE__ */ new foo(bar), 2];
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let new_nested_no = [1, /* @__PURE__ */ new foo(bar()), 2];
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let single_at_yes = // @__PURE__
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foo(bar);
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let single_at_no = // @__PURE__
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foo(bar());
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let new_single_at_yes = // @__PURE__
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new foo(bar);
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let new_single_at_no = // @__PURE__
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new foo(bar());
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let single_num_yes = // #__PURE__
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foo(bar);
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let single_num_no = // #__PURE__
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foo(bar());
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let new_single_num_yes = // #__PURE__
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new foo(bar);
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let new_single_num_no = // #__PURE__
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new foo(bar());
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let bad_no = /* __PURE__ */ foo(bar);
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let new_bad_no = /* __PURE__ */ new foo(bar);
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let parens_no = (/* @__PURE__ */ foo)(bar);
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let new_parens_no = new (/* @__PURE__ */ foo)(bar);
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let exp_no = /* @__PURE__ */ foo() ** foo();
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let new_exp_no = /* @__PURE__ */ new foo() ** foo();
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",
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];
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snapshot("pure_comments", &cases);
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}
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