Use docsrs instead of custom cfg

Author: jhpratt

.github/workflows/build.yaml

@@ -287,7 +287,7 @@ jobs:
       - name: Generate documentation
         run: cargo doc --workspace --all-features --no-deps
         env:
-          RUSTDOCFLAGS: --cfg __time_03_docs
+          RUSTDOCFLAGS: --cfg docsrs
 
   publish-documentation:
     name: Publish docs

time/Cargo.toml

@@ -27,7 +27,7 @@ workspace = true
 [package.metadata.docs.rs]
 all-features = true
 targets = ["x86_64-unknown-linux-gnu"]
-rustdoc-args = ["--cfg", "__time_03_docs", "--generate-link-to-definition"]
+rustdoc-args = ["--generate-link-to-definition"]
 
 [features]
 default = ["std"]

time/src/formatting/formattable.rs

@@ -21,7 +21,7 @@ use crate::{error, Date, Time, UtcOffset};
 ///
 /// [`Date::format`] and [`Time::format`] each use a format description to generate
 /// a String from their data. See the respective methods for usage examples.
-#[cfg_attr(__time_03_docs, doc(notable_trait))]
+#[cfg_attr(docsrs, doc(notable_trait))]
 pub trait Formattable: sealed::Sealed {}
 impl Formattable for BorrowedFormatItem<'_> {}
 impl Formattable for [BorrowedFormatItem<'_>] {}

time/src/lib.rs

@@ -67,7 +67,7 @@
 //!   well as obtaining the UTC offset from JavaScript.
 
 #![doc(html_playground_url = "https://play.rust-lang.org")]
-#![cfg_attr(__time_03_docs, feature(doc_auto_cfg, doc_notable_trait))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg, doc_notable_trait))]
 #![no_std]
 #![doc(html_favicon_url = "https://avatars0.githubusercontent.com/u/55999857")]
 #![doc(html_logo_url = "https://avatars0.githubusercontent.com/u/55999857")]

time/src/parsing/parsable.rs

@@ -15,7 +15,7 @@ use crate::parsing::{Parsed, ParsedItem};
 use crate::{error, Date, Month, OffsetDateTime, Time, UtcOffset, Weekday};
 
 /// A type that can be parsed.
-#[cfg_attr(__time_03_docs, doc(notable_trait))]
+#[cfg_attr(docsrs, doc(notable_trait))]
 #[doc(alias = "Parseable")]
 pub trait Parsable: sealed::Sealed {}
 impl Parsable for BorrowedFormatItem<'_> {}