rust/src/librustc_codegen_utils
bors ca2639e82e Auto merge of #55014 - ljedrz:lazyboye_unwraps, r=matthewjasper
Prefer unwrap_or_else to unwrap_or in case of function calls/allocations

The contents of `unwrap_or` are evaluated eagerly, so it's not a good pick in case of function calls and allocations. This PR also changes a few `unwrap_or`s with `unwrap_or_default`.

An added bonus is that in some cases this change also reveals if the object it's called on is an `Option` or a `Result` (based on whether the closure takes an argument).
2018-10-20 11:22:48 +00:00
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