1663891d3d
I.e. don't generate `let var_name = &foo()`. Anything that creates a new value don't need a reference. That excludes mostly field accesses and indexing. I had a thought that we can also not generate a reference for fields and indexing as long as the type is `Copy`, but sometimes people impl `Copy` even when they don't want to copy the values (e.g. a large type), so I didn't do that.
rust-analyzer is a modular compiler frontend for the Rust language. It is a part of a larger rls-2.0 effort to create excellent IDE support for Rust.
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