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"(const: unstable)" for stable-but-const-unstable

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This commit is contained in:
Deadbeef 2021-06-20 08:13:23 +08:00
parent 39260f6d49
commit 9c495b30ef
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GPG key ID: 6525773485376D92
3 changed files with 33 additions and 9 deletions
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36
src/librustdoc/html/render/mod.rs
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@ -42,7 +42,7 @@ use std::str;
use std::string::ToString;
use rustc_ast_pretty::pprust;
use rustc_attr::{Deprecation, StabilityLevel};
use rustc_attr::{ConstStability, Deprecation, StabilityLevel};
use rustc_data_structures::fx::FxHashSet;
use rustc_hir as hir;
use rustc_hir::def::CtorKind;
@ -826,21 +826,43 @@ fn assoc_type(
fn render_stability_since_raw(
w: &mut Buffer,
ver: Option<&str>,
const_ver: Option<&str>,
const_stability: Option<&ConstStability>,
containing_ver: Option<&str>,
containing_const_ver: Option<&str>,
) {
let ver = ver.filter(|inner| !inner.is_empty());
let const_ver = const_ver.filter(|inner| !inner.is_empty());
match (ver, const_ver) {
(Some(v), Some(cv)) if const_ver != containing_const_ver => {
match (ver, const_stability) {
(Some(v), Some(ConstStability { level: StabilityLevel::Stable { since }, .. }))
if Some(since.as_str()).as_deref() != containing_const_ver =>
{
write!(
w,
"<span class=\"since\" title=\"Stable since Rust version {0}, const since {1}\">{0} (const: {1})</span>",
v, cv
v,
since.as_str()
);
}
(
Some(v),
Some(ConstStability { level: StabilityLevel::Unstable { issue, .. }, feature, .. }),
) => {
write!(
w,
"<span class=\"since\" title=\"Stable since Rust version {0}, const unstable\">{0} (const: ",
v
);
if let Some(n) = issue {
write!(
w,
"<a href=\"https://github.com/rust-lang/rust/issues/{}\" title=\"Tracking issue for {}\">unstable</a>",
n, feature
);
} else {
write!(w, "unstable");
}
write!(w, ")</span>");
}
(Some(v), _) if ver != containing_ver => {
write!(
w,
@ -1583,7 +1605,7 @@ fn render_rightside(
render_stability_since_raw(
w,
item.stable_since(tcx).as_deref(),
item.const_stable_since(tcx).as_deref(),
item.const_stability(tcx),
containing_item.stable_since(tcx).as_deref(),
containing_item.const_stable_since(tcx).as_deref(),
);