Adjust the documentation of the enum (#202)

Author: jmjoy

phper-doc/Cargo.toml

@@ -33,3 +33,7 @@ phper-build = { workspace = true }
 unexpected_cfgs = { level = "warn", check-cfg = [
     'cfg(phper_enum_supported)',
 ] }
+
+[package.metadata.docs.rs]
+rustdoc-args = ["--cfg", "docsrs"]
+all-features = true

phper-doc/build.rs

@@ -0,0 +1,13 @@
+// Copyright (c) 2022 PHPER Framework Team
+// PHPER is licensed under Mulan PSL v2.
+// You can use this software according to the terms and conditions of the Mulan
+// PSL v2. You may obtain a copy of Mulan PSL v2 at:
+//          http://license.coscl.org.cn/MulanPSL2
+// THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY
+// KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
+// NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+// See the Mulan PSL v2 for more details.
+
+fn main() {
+    phper_build::register_all();
+}

phper-doc/src/lib.rs

@@ -11,6 +11,7 @@
 #![warn(rust_2018_idioms, missing_docs)]
 #![warn(clippy::dbg_macro, clippy::print_stdout)]
 #![doc = include_str!("../README.md")]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 pub use phper;