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// rustfmt-max_width: 80
// We would like to surround closure body with block when overflowing the last
// argument of function call if the last argument has condition and without
// block it may go multi lines.
fn foo() {
refmut_map_result(self.cache.borrow_mut(), |cache| {
match cache.entry(cache_key) {
Occupied(entry) => Ok(entry.into_mut()),
Vacant(entry) => {
let statement = {
let sql = try!(entry.key().sql(source));
prepare_fn(&sql)
};
Ok(entry.insert(try!(statement)))
}
}
})
.map(MaybeCached::Cached)
}
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