feat(#117): implement __bool__

[MartinBernstorff]

Fixes #117

[MartinBernstorff]

Current dependencies on/for this PR:

• main
  • PR #121 👈

This stack of pull requests is managed by Graphite.

[codspeed-hq[bot]]

CodSpeed Performance Report

Merging #121 will improve performances by ×3.3

_{Comparing feat/117/implement_bool (a5de654) with main (e6e2f81)}

Summary

⚡ 16 improvements ✅ 5 untouched benchmarks

Benchmarks breakdown

	Benchmark	main	feat/117/implement___bool__	Change
⚡	test_benchmark_iter[any]	366.5 µs	150.7 µs	×2.4
⚡	test_benchmark_iter[count]	1.3 ms	1.1 ms	+20.02%
⚡	test_benchmark_iter[enumerate]	2.6 ms	1.9 ms	+38.55%
⚡	test_benchmark_iter[find]	347.1 µs	133.7 µs	×2.6
⚡	test_benchmark_iter[groupby]	15.1 ms	13.5 ms	+12.32%
⚡	test_benchmark_iter[last]	558.6 µs	340.5 µs	+64.05%
⚡	test_benchmark_iter[map]	2.2 ms	1.9 ms	+12.65%
⚡	test_benchmark_iter[reduce]	2.2 ms	1.9 ms	+11.09%
⚡	test_benchmark_iter[rev]	443.1 µs	207.2 µs	×2.1
⚡	test_benchmark_iter[take]	355.6 µs	137.2 µs	×2.6
⚡	test_benchmark_iter[to_consumable]	340.8 µs	107.2 µs	×3.2
⚡	test_benchmark_iter[to_list]	334.9 µs	100.2 µs	×3.3
⚡	test_benchmark_iter[to_set]	802.5 µs	564.2 µs	+42.25%
⚡	test_benchmark_iter[to_tuple]	479.6 µs	248.7 µs	+92.81%
⚡	test_benchmark_iter[unique]	952.5 µs	724.4 µs	+31.49%
⚡	test_benchmark_iter[zip]	421.2 µs	202 µs	×2.1

[codspeed-hq[bot]]

CodSpeed Performance Report

Merging #121 will improve performances by ×3.4

_{:warning: No base runs were found}

_{Falling back to comparing feat/117/implement_bool (50dfc3f) with main (07f4063)}

Summary

⚡ 17 improvements ✅ 4 untouched benchmarks

Benchmarks breakdown

	Benchmark	main	feat/117/implement___bool__	Change
⚡	test_benchmark_iter[any]	366.6 µs	148.5 µs	×2.5
⚡	test_benchmark_iter[count]	1.3 ms	1.1 ms	+19.24%
⚡	test_benchmark_iter[enumerate]	2.4 ms	1.6 ms	+47.13%
⚡	test_benchmark_iter[filter]	2.3 ms	2 ms	+15.03%
⚡	test_benchmark_iter[find]	346.8 µs	131.9 µs	×2.6
⚡	test_benchmark_iter[groupby]	14.2 ms	12.4 ms	+14.34%
⚡	test_benchmark_iter[last]	591.6 µs	373.7 µs	+58.3%
⚡	test_benchmark_iter[map]	1.9 ms	1.7 ms	+13.94%
⚡	test_benchmark_iter[reduce]	1.8 ms	1.6 ms	+13.48%
⚡	test_benchmark_iter[rev]	442.9 µs	208.3 µs	×2.1
⚡	test_benchmark_iter[take]	355.6 µs	134.4 µs	×2.6
⚡	test_benchmark_iter[to_consumable]	341.2 µs	107 µs	×3.2
⚡	test_benchmark_iter[to_list]	337.1 µs	99.8 µs	×3.4
⚡	test_benchmark_iter[to_set]	817.8 µs	574.1 µs	+42.44%
⚡	test_benchmark_iter[to_tuple]	459.5 µs	219.8 µs	×2.1
⚡	test_benchmark_iter[unique]	972.7 µs	736.1 µs	+32.14%
⚡	test_benchmark_iter[zip]	431 µs	210 µs	×2.1