fix: correctly handle v values #50

Job	Run time
docs	19s
clippy	19s
doctest	34s
cfg-check	17s
feature-checks	36s
fmt	13s
no-std	16s
test ubuntu-latest stable --no-default-features	27s
wasm-wasi	19s
test ubuntu-latest stable	34s
wasm-unknown	22s
test ubuntu-latest stable --all-features	40s
test ubuntu-latest nightly --no-default-features	25s
test ubuntu-latest nightly	22s
test ubuntu-latest nightly --all-features	31s
test ubuntu-latest 1.79 --no-default-features	18s
test ubuntu-latest 1.79	20s
test windows-latest stable --no-default-features	1m 11s
test windows-latest stable	1m 38s
test windows-latest stable --all-features	1m 31s
test windows-latest nightly --no-default-features	59s
test windows-latest nightly	1m 6s
test windows-latest nightly --all-features	1m 29s
test windows-latest 1.79 --no-default-features	45s
test windows-latest 1.79	54s
	16m 25s

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