Start writing parsing code #5

Job	Run time
cross-compile-ios (macos-latest, 1.70.0, aarch64-apple-ios)	45s
cross-compile (ubuntu-latest, 1.70.0, aarch64-linux-android)	33s
cross-compile (ubuntu-latest, 1.70.0, i686-pc-windows-gnu)	46s
cross-compile (ubuntu-latest, 1.70.0, i686-unknown-freebsd)	40s
cross-compile (ubuntu-latest, 1.70.0, i686-unknown-linux-gnu)	46s
cross-compile (ubuntu-latest, 1.70.0, wasm32-unknown-unknown)	27s
cross-compile (ubuntu-latest, 1.70.0, x86_64-apple-darwin)	29s
cross-compile (ubuntu-latest, 1.70.0, x86_64-unknown-redox)	29s
test (ubuntu-latest, 1.70.0)	26s
test (ubuntu-latest, stable)	24s
test (ubuntu-latest, beta)	24s
test (ubuntu-latest, nightly)	24s
test (macos-latest, 1.70.0)	47s
test (macos-latest, stable)	45s
test (macos-latest, beta)	58s
test (macos-latest, nightly)	41s
test (windows-latest, 1.70.0)	59s
test (windows-latest, stable)	1m 13s
test (windows-latest, beta)	58s
test (windows-latest, nightly)	1m 13s
	14m 7s

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