Simplify lookup of object types #448

Job	Run time
Build Linux x86_64 wheel (3.9)	1m 15s
Build sdist	22s
Build macOS universal wheel (3.9)	56s
Build Linux x86_64 wheel (3.10)	1m 15s
Build Linux wheel (3.9, linux/arm64, aarch64-unknown-linux-gnu)	3m 41s
Build macOS universal wheel (3.10)	1m 12s
Build Linux x86_64 wheel (3.11)	1m 11s
Build Linux wheel (3.9, linux/arm/v7, armv7-unknown-linux-gnueabihf, --no-default-features)	4m 39s
Build macOS universal wheel (3.11)	41s
Build Linux x86_64 wheel (3.12)	1m 14s
Build Windows wheel (3.9)	1m 36s
Build Linux wheel (3.10, linux/arm64, aarch64-unknown-linux-gnu)	3m 8s
Build macOS universal wheel (3.12)	47s
Build Windows wheel (3.10)	1m 49s
Build Linux x86_64 wheel (3.13)	1m 19s
Build Linux wheel (3.10, linux/arm/v7, armv7-unknown-linux-gnueabihf, --no-default-features)	4m 8s
Build macOS universal wheel (3.13)	43s
Build Windows wheel (3.11)	1m 50s
Build Linux wheel (3.11, linux/arm64, aarch64-unknown-linux-gnu)	3m 19s
Build Windows wheel (3.12)	1m 27s
Build Linux wheel (3.11, linux/arm/v7, armv7-unknown-linux-gnueabihf, --no-default-features)	4m 1s
Build Windows wheel (3.13)	2m 14s
Build Linux wheel (3.12, linux/arm64, aarch64-unknown-linux-gnu)	3m 16s
Build Linux wheel (3.12, linux/arm/v7, armv7-unknown-linux-gnueabihf, --no-default-features)	4m 23s
Build Linux wheel (3.13, linux/arm64, aarch64-unknown-linux-gnu)	2m 58s
Build Linux wheel (3.13, linux/arm/v7, armv7-unknown-linux-gnueabihf, --no-default-features)	4m 9s
Release	0s
	57m 33s

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