refactor(minifier): prefer is_empty() over len() == 0

[overlookmotel]

Prefer !collection.is_empty() over collection.len() > 0. With some collections, is_empty is more optimized.

Flagged by clippy in Rust 1.86.0.

[overlookmotel]

• refactor(minifier): prefer is_empty() over len() == 0 #10199 👈 (View in Graphite)
• main

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[overlookmotel]

Pure refactor, so merging without review.

[overlookmotel]

Merge activity

• Apr 3, 7:43 AM EDT: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Apr 3, 7:48 AM EDT: overlookmotel added this pull request to the Graphite merge queue.
• Apr 3, 8:00 AM EDT: Merged by the Graphite merge queue.

[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #10199 will degrade performances by 3.3%

_{Comparing 04-03-refactor_minifier_prefer_is_empty_over_len_0_ (9ffb613) with main (66a0001)}

Summary

⚡ 1 improvements
❌ 1 regressions
✅ 34 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
⚡	formatter[antd.js]	7.9 ms	7.6 ms	+3.84%
❌	formatter[typescript.js]	7.2 ms	7.4 ms	-3.3%