read: add Evaluation::value_result (#676) #382

Job	Run time
bench	1m 25s
coverage	1m 20s
build (ubuntu-latest, stable)	53s
build (ubuntu-latest, beta)	51s
Build fuzz targets	1m 0s
cross (i686-unknown-linux-gnu)	53s
build (ubuntu-latest, nightly)	53s
doc	30s
cross (powerpc64-unknown-linux-gnu)	58s
build (ubuntu-latest, 1.65.0)	4m 39s
features	3m 8s
msrv-read	4m 3s
rustfmt	11s
build (stable, macOS-latest)	1m 14s
Run `debug_abbrev` fuzz target	5m 7s
Run `debug_aranges` fuzz target	5m 6s
Run `debug_info` fuzz target	5m 10s
Run `debug_line` fuzz target	5m 9s
Run `eh_frame` fuzz target	5m 9s
Run `eh_frame_hdr` fuzz target	5m 10s
	52m 49s

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