36 lines
689 B
Rust
36 lines
689 B
Rust
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use ra_syntax::ast;
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use crate::HirDatabase;
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#[derive(Debug, Clone)]
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pub struct Documentation(String);
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impl Documentation {
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pub fn new(s: &str) -> Self {
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Self(s.into())
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}
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pub fn contents(&self) -> &str {
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&self.0
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}
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}
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impl Into<String> for Documentation {
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fn into(self) -> String {
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self.contents().into()
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}
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}
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pub trait Docs {
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fn docs(&self, db: &impl HirDatabase) -> Option<Documentation>;
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}
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pub(crate) fn docs_from_ast(node: &impl ast::DocCommentsOwner) -> Option<Documentation> {
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let comments = node.doc_comment_text();
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if comments.is_empty() {
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None
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} else {
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Some(Documentation::new(&comments))
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}
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}
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