Add `coalesce` #1693

Job	Run time
lint_and_docs (ubuntu-22.04, 3.11, 22.x)	10m 7s
build_js (ubuntu-22.04, 3.11, 22.x)	23m 19s
build_emscripten_wheel (ubuntu-22.04, x86_64, 3.11, 22.x)	20m 3s
build_python (ubuntu-22.04-arm, aarch64, 3.11, 22.x)	14m 4s
build_python (ubuntu-22.04, x86_64, 3.11, 22.x)	17m 39s
build_and_test_rust (ubuntu-22.04, x86_64, 22.x)	14m 56s
test_python (ubuntu-22.04-arm, aarch64, 3.11, 22.x)	2m 1s
test_python (ubuntu-22.04, x86_64, 3.11, 22.x)	2m 4s
test_emscripten_wheel (ubuntu-22.04, x86_64, 3.11, 22.x)	2m 35s
build_and_test_jupyterlab (ubuntu-22.04, x86_64, 3.11, 22.x)	4m 0s
test_js (ubuntu-22.04, 3.11, 22.x)	9m 48s
benchmark_python	0s
benchmark_js	0s
test_python_sdist	0s
publish	-1s
lint_and_docs (ubuntu-22.04, 3.11, 22.x)	10m 7s
test_js (ubuntu-22.04, 3.11, 22.x)	5m 30s
build_python (ubuntu-22.04, x86_64, 3.11, 22.x)	17m 39s
build_js (ubuntu-22.04, 3.11, 22.x)	23m 19s
build_and_test_rust (ubuntu-22.04, x86_64, 22.x)	14m 56s
build_python (ubuntu-22.04-arm, aarch64, 3.11, 22.x)	14m 4s
benchmark_js	-6142s
test_python (ubuntu-22.04-arm, aarch64, 3.11, 22.x)	2m 1s
benchmark_python	-6142s
test_python (ubuntu-22.04, x86_64, 3.11, 22.x)	2m 4s
build_and_test_jupyterlab (ubuntu-22.04, x86_64, 3.11, 22.x)	4m 0s
test_emscripten_wheel (ubuntu-22.04, x86_64, 3.11, 22.x)	2m 35s
test_python_sdist	-5893s
build_emscripten_wheel (ubuntu-22.04, x86_64, 3.11, 22.x)	20m 3s
publish	0s
	-3964s

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