fix: create intermediate nodes when needed #184

Job	Run time
docs	30s
clippy	35s
feature-checks	48s
fmt	14s
miri --no-default-features	47s
miri	47s
test stable --no-default-features	36s
miri --all-features	51s
test stable	36s
test stable --all-features	47s
test beta --no-default-features	35s
test beta	35s
test beta --all-features	49s
test nightly --no-default-features	34s
test nightly	34s
test nightly --all-features	49s
test 1.79 --no-default-features	23s
test 1.79	21s
test 1.79 --all-features	30s
	11m 41s

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