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Merge #3124

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3124: Simplify r=matklad a=matklad



Co-authored-by: Aleksey Kladov <aleksey.kladov@gmail.com>
This commit is contained in:
bors[bot] 2020-02-12 17:02:41 +00:00 committed by GitHub
commit 9701e59783
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1 changed files with 7 additions and 15 deletions
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22
crates/ra_ide/src/goto_type_definition.rs
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@ -16,24 +16,16 @@ pub(crate) fn goto_type_definition(
let token = pick_best(file.token_at_offset(position.offset))?;
let token = descend_into_macros(db, position.file_id, token);
let node = token.value.ancestors().find_map(|token| {
token
.ancestors()
.find(|n| ast::Expr::cast(n.clone()).is_some() || ast::Pat::cast(n.clone()).is_some())
})?;
let node = token
.value
.ancestors()
.find(|n| ast::Expr::cast(n.clone()).is_some() || ast::Pat::cast(n.clone()).is_some())?;
let analyzer = hir::SourceAnalyzer::new(db, token.with_value(&node), None);
let ty: hir::Type = if let Some(ty) =
ast::Expr::cast(node.clone()).and_then(|e| analyzer.type_of(db, &e))
{
ty
} else if let Some(ty) = ast::Pat::cast(node.clone()).and_then(|p| analyzer.type_of_pat(db, &p))
{
ty
} else {
return None;
};
let ty: hir::Type = ast::Expr::cast(node.clone())
.and_then(|e| analyzer.type_of(db, &e))
.or_else(|| ast::Pat::cast(node.clone()).and_then(|p| analyzer.type_of_pat(db, &p)))?;
let adt_def = ty.autoderef(db).find_map(|ty| ty.as_adt())?;