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allow empty doc comments

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This commit is contained in:
Aleksey Kladov 2019-04-02 10:34:34 +03:00
parent ae282d8da6
commit 99e6438660
1 changed files with 6 additions and 4 deletions
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10
crates/ra_syntax/src/ast/traits.rs
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@ -107,11 +107,13 @@ pub trait DocCommentsOwner: AstNode {
/// Returns the textual content of a doc comment block as a single string.
/// That is, strips leading `///` (+ optional 1 character of whitespace)
/// and joins lines.
fn doc_comment_text(&self) -> Option<std::string::String> {
fn doc_comment_text(&self) -> Option<String> {
let mut has_comments = false;
let docs = self
.doc_comments()
.filter(|comment| comment.is_doc_comment())
.map(|comment| {
has_comments = true;
let prefix_len = comment.prefix().len();
let line = comment.text().as_str();
@ -128,10 +130,10 @@ pub trait DocCommentsOwner: AstNode {
})
.join("\n");
if docs.is_empty() {
None
} else {
if has_comments {
Some(docs)
} else {
None
}
}
}