doc_lazy_continuation: do not warn on End events

This avoids event spans that would otherwise cause crashes, since an
End's span covers the range of the tag (which will be earlier than the
line break within the tag).

Author: notriddle

clippy_lints/src/doc/mod.rs

@@ -750,10 +750,11 @@ fn check_doc<'a, Events: Iterator<Item = (pulldown_cmark::Event<'a>, Range<usize
             Start(_tag) | End(_tag) => (), // We don't care about other tags
             SoftBreak | HardBreak => {
                 if !containers.is_empty()
-                    && let Some((_next_event, next_range)) = events.peek()
+                    && let Some((next_event, next_range)) = events.peek()
                     && let Some(next_span) = fragments.span(cx, next_range.clone())
                     && let Some(span) = fragments.span(cx, range.clone())
                     && !in_footnote_definition
+                    && !matches!(next_event, End(_))
                 {
                     lazy_continuation::check(
                         cx,

tests/ui/doc/doc_lazy_list.fixed

@@ -40,3 +40,38 @@ fn six() {}
 ///
 ///     this is not a lazy continuation
 fn seven() {}
+
+#[rustfmt::skip]
+// https://github.com/rust-lang/rust-clippy/pull/12770#issuecomment-2118601768
+/// Returns a list of ProtocolDescriptors from a Serde JSON input.
+///
+/// Defined Protocol Identifiers for the Protocol Descriptor
+/// We intentionally omit deprecated profile identifiers.
+/// From Bluetooth Assigned Numbers:
+/// https://www.bluetooth.com/specifications/assigned-numbers/service-discovery
+///
+/// # Arguments
+/// * `protocol_descriptors`: A Json Representation of the ProtocolDescriptors
+///     to set up. Example:
+///   'protocol_descriptors': [
+//~^ ERROR: doc list item missing indentation
+///      {
+///          'protocol': 25,  # u64 Representation of ProtocolIdentifier::AVDTP
+///          'params': [
+///              {
+///                 'data': 0x0103  # to indicate 1.3
+///              },
+///              {
+///                  'data': 0x0105  # to indicate 1.5
+///              }
+///          ]
+///      },
+///      {
+///          'protocol': 1,  # u64 Representation of ProtocolIdentifier::SDP
+///          'params': [{
+///              'data': 0x0019
+///          }]
+///      }
+///   ]
+//~^ ERROR: doc list item missing indentation
+fn eight() {}

tests/ui/doc/doc_lazy_list.rs

@@ -40,3 +40,38 @@ fn six() {}
 ///
 ///     this is not a lazy continuation
 fn seven() {}
+
+#[rustfmt::skip]
+// https://github.com/rust-lang/rust-clippy/pull/12770#issuecomment-2118601768
+/// Returns a list of ProtocolDescriptors from a Serde JSON input.
+///
+/// Defined Protocol Identifiers for the Protocol Descriptor
+/// We intentionally omit deprecated profile identifiers.
+/// From Bluetooth Assigned Numbers:
+/// https://www.bluetooth.com/specifications/assigned-numbers/service-discovery
+///
+/// # Arguments
+/// * `protocol_descriptors`: A Json Representation of the ProtocolDescriptors
+///     to set up. Example:
+///  'protocol_descriptors': [
+//~^ ERROR: doc list item missing indentation
+///      {
+///          'protocol': 25,  # u64 Representation of ProtocolIdentifier::AVDTP
+///          'params': [
+///              {
+///                 'data': 0x0103  # to indicate 1.3
+///              },
+///              {
+///                  'data': 0x0105  # to indicate 1.5
+///              }
+///          ]
+///      },
+///      {
+///          'protocol': 1,  # u64 Representation of ProtocolIdentifier::SDP
+///          'params': [{
+///              'data': 0x0019
+///          }]
+///      }
+///  ]
+//~^ ERROR: doc list item missing indentation
+fn eight() {}

tests/ui/doc/doc_lazy_list.stderr

@@ -108,5 +108,29 @@ help: indent this line
 LL | ///       and so should this
    |         ++
 
-error: aborting due to 9 previous errors
+error: doc list item missing indentation
+  --> tests/ui/doc/doc_lazy_list.rs:56:5
+   |
+LL | ///  'protocol_descriptors': [
+   |     ^
+   |
+   = help: if this is supposed to be its own paragraph, add a blank line
+help: indent this line
+   |
+LL | ///   'protocol_descriptors': [
+   |      +
+
+error: doc list item missing indentation
+  --> tests/ui/doc/doc_lazy_list.rs:75:5
+   |
+LL | ///  ]
+   |     ^
+   |
+   = help: if this is supposed to be its own paragraph, add a blank line
+help: indent this line
+   |
+LL | ///   ]
+   |      +
+
+error: aborting due to 11 previous errors