rust-lang / rust-lang/log

Add an optional feature for trading lazy evaluation for smaller binary size?

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Dominant language
Rust
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Description

I tried to submit https://github.com/rust-lang/log/pull/514 for reducing binary size, but realized that that change will break the current lazy evaluation behavior, so I closed that PR. But is is OK to add an optional feature that enables what the PR does? So users that need smaller binary size can enable this feature.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing the closed pull request #514 and the current lazy evaluation behavior it would affect. Determine the scope and trade-offs of making that change optional, then define tests showing that the opt-in mode reduces binary size while the default behavior remains unchanged.

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Assessment

Tech stack
rust
Domain
performance
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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