Build

Write the context proposal #106

Job	Run time
build (i686-pc-windows-msvc, debug)	26s
check	9m 51s
build (i686-pc-windows-msvc, release)	33s
build (x86_64-pc-windows-msvc, debug)	31s
build (x86_64-pc-windows-msvc, release)	36s
build (x86_64-apple-darwin, debug)	30s
build (x86_64-apple-darwin, release)	51s
build (aarch64-apple-darwin, debug)	34s
build (aarch64-apple-darwin, release)	46s
build (x86_64-unknown-linux-gnu, debug)	30s
build (x86_64-unknown-linux-gnu, release)	31s
build (i686-unknown-linux-gnu, debug)	33s
build (i686-unknown-linux-gnu, release)	40s
build (aarch64-unknown-linux-gnu, debug)	29s
build (aarch64-unknown-linux-gnu, release)	39s
build (aarch64-linux-android, debug)	35s
build (aarch64-linux-android, release)	52s
build (armv7-linux-androideabi, debug)	28s
build (armv7-linux-androideabi, release)	35s
build (x86_64-linux-android, debug)	30s
build (x86_64-linux-android, release)	38s
build (i686-linux-android, debug)	38s
build (i686-linux-android, release)	43s
build (aarch64-apple-ios, debug)	30s
build (aarch64-apple-ios, release)	46s
build (wasm32-unknown-unknown, debug)	39s
build (wasm32-unknown-unknown, release)	45s
build (aarch64-apple-ios-sim, macos-latest)	42s
	26m 21s

Provide feedback