Add option to change error constructor #167

Job	Run time
Rustdoc	26s
Tests (1.74.0, macos-latest)	39s
Tests (1.74.0, macos-latest, --features forbid_unsafe)	40s
Tests (1.74.0, ubuntu-latest)	35s
Tests (1.74.0, ubuntu-latest, --features forbid_unsafe)	32s
Tests (1.74.0, windows-latest)	1m 7s
Tests (1.74.0, windows-latest, --features forbid_unsafe)	1m 12s
Tests (1.82.0, macos-latest)	37s
Tests (1.82.0, macos-latest, --features forbid_unsafe)	36s
Tests (1.82.0, ubuntu-latest)	33s
Tests (1.82.0, ubuntu-latest, --features forbid_unsafe)	33s
Tests (1.82.0, windows-latest)	1m 5s
Tests (1.82.0, windows-latest, --features forbid_unsafe)	1m 4s
Tests (stable, macos-latest)	26s
Tests (stable, macos-latest, --features forbid_unsafe)	32s
Tests (stable, ubuntu-latest)	42s
Tests (stable, ubuntu-latest, --features forbid_unsafe)	38s
Tests (stable, windows-latest)	1m 7s
Tests (stable, windows-latest, --features forbid_unsafe)	1m 54s
Tests (beta, macos-latest)	35s
Tests (beta, macos-latest, --features forbid_unsafe)	33s
Tests (beta, ubuntu-latest)	30s
Tests (beta, ubuntu-latest, --features forbid_unsafe)	37s
Tests (beta, windows-latest)	1m 53s
Tests (beta, windows-latest, --features forbid_unsafe)	1m 32s
Tests (nightly, macos-latest)	1m 7s
Tests (nightly, macos-latest, --features forbid_unsafe)	1m 6s
Tests (nightly, ubuntu-latest)	59s
Tests (nightly, ubuntu-latest, --features forbid_unsafe)	54s
Tests (nightly, windows-latest)	3m 4s
Tests (nightly, windows-latest, --features forbid_unsafe)	2m 6s
	29m 54s

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