fix: correctly handle v values #52

Job	Run time
clippy	26s
docs	19s
cfg-check	13s
doctest	23s
fmt	12s
feature-checks	34s
no-std	17s
wasm-unknown	20s
test ubuntu-latest stable --no-default-features	29s
wasm-wasi	27s
test ubuntu-latest stable	21s
test ubuntu-latest stable --all-features	46s
test ubuntu-latest nightly --no-default-features	20s
test ubuntu-latest nightly	24s
test ubuntu-latest nightly --all-features	31s
test ubuntu-latest 1.79 --no-default-features	21s
test ubuntu-latest 1.79	21s
test windows-latest stable --no-default-features	1m 2s
test windows-latest stable	1m 19s
test windows-latest stable --all-features	1m 27s
test windows-latest nightly --no-default-features	53s
test windows-latest nightly	1m 23s
test windows-latest nightly --all-features	1m 23s
test windows-latest 1.79 --no-default-features	54s
test windows-latest 1.79	1m 0s
	16m 5s

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