Encoder improvements #723

Job	Run time
Build (js, wasm)	4s
Test (ubuntu-latest, 1.21)	12s
Build (aix, ppc64)	19s
Test (ubuntu-latest, 1.21, viper_finder)	12s
Test (ubuntu-latest, 1.21, viper_bind_struct)	12s
Dependency review	2s
Test (ubuntu-latest, 1.22)	25s
Test (ubuntu-latest, 1.22, viper_finder)	25s
Developer environment	33s
Test (ubuntu-latest, 1.22, viper_bind_struct)	33s
Test (macos-latest, 1.21)	14s
Test (macos-latest, 1.21, viper_finder)	15s
Lint	19s
Test (macos-latest, 1.21, viper_bind_struct)	19s
Test (macos-latest, 1.22)	14s
Test (macos-latest, 1.22, viper_finder)	15s
Test (macos-latest, 1.22, viper_bind_struct)	14s
Test (windows-latest, 1.21)	1m 43s
Test (windows-latest, 1.21, viper_finder)	1m 13s
Test (windows-latest, 1.21, viper_bind_struct)	1m 12s
Test (windows-latest, 1.22)	1m 37s
Test (windows-latest, 1.22, viper_finder)	1m 21s
Test (windows-latest, 1.22, viper_bind_struct)	1m 16s
	13m 9s

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