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Merge #1827

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1827: fix panic when fetching generics r=matklad a=matklad



Co-authored-by: Aleksey Kladov <aleksey.kladov@gmail.com>
This commit is contained in:
bors[bot] 2019-09-12 10:15:29 +00:00 committed by GitHub
commit dfcbdcb9a3
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1 changed files with 5 additions and 5 deletions
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10
crates/ra_hir/src/impl_block.rs
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@ -4,7 +4,7 @@ use std::sync::Arc;
use ra_arena::{impl_arena_id, map::ArenaMap, Arena, RawId};
use ra_syntax::{
ast::{self, AstNode},
AstPtr, SourceFile,
AstPtr,
};
use crate::{
@ -29,12 +29,12 @@ impl ImplSourceMap {
}
pub fn get(&self, source: &ModuleSource, impl_id: ImplId) -> ast::ImplBlock {
let file = match source {
ModuleSource::SourceFile(file) => file.clone(),
ModuleSource::Module(m) => m.syntax().ancestors().find_map(SourceFile::cast).unwrap(),
let root = match source {
ModuleSource::SourceFile(file) => file.syntax().clone(),
ModuleSource::Module(m) => m.syntax().ancestors().last().unwrap(),
};
self.map[impl_id].to_node(file.syntax()).to_owned()
self.map[impl_id].to_node(&root)
}
}