Structural Refactor #200

Job	Run time
rustfmt	8s
test (stable)	56s
no_std (1.88.0, armv7a-none-eabi)	15s
clippy	26s
test (1.88.0)	59s
doc	20s
no_std (stable, wasm32-unknown-unknown)	30s
no_std (stable, armv7a-none-eabi)	16s
cross (powerpc-unknown-linux-gnu, 1.88.0)	1m 28s
no_std (stable, thumbv7em-none-eabi)	16s
cross (powerpc-unknown-linux-gnu, stable)	1m 25s
no_std (1.88.0, thumbv7em-none-eabi)	17s
no_std (1.88.0, wasm32-unknown-unknown)	18s
	7m 34s

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