extend fmt! to add %g analogous to printf '%g'
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Description
Thursday Oct 18, 2012 at 23:02 GMT
For earlier discussion, see https://github.com/rust-lang/rust/issues/3810
This issue was labelled with: A-libs, I-enhancement in the Rust repository
It's sometimes nice not to include trailing zeroes when printing floats. It'd be nice if we copied printf's %g to handle this.
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reading the earlier discussion in issue #3810 and the surrounding RFC context in this repository. Identify the entry point for Rust's fmt! formatting behavior and any relevant tests, then confirm completion when %g handles floating-point output analogously to printf without unnecessary trailing zeroes.
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Assessment
- Tech stack
- rust
- Domain
- tooling
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100