Meson

nixd/Controller: support "goto definition" for select expressions #3082

Job	Run time
nix-build-develop-clang (none, release, true)	2m 58s
nix-build-develop-gcc (none, release, true)	3m 3s
nix-build-develop-clang (none, release, false)	3m 3s
nix-build-develop-gcc (none, release, false)	3m 5s
nix-build-develop-clang (none, debug, true)	2m 43s
nix-build-develop-gcc (none, debug, true)	2m 48s
nix-build-develop-clang (none, debug, false)	2m 45s
nix-build-develop-gcc (none, debug, false)	2m 58s
nix-build-develop-gcc (address, release, true)	4m 40s
nix-build-develop-gcc (address, release, false)	4m 38s
nix-build-develop-gcc (address, debug, true)	3m 51s
nix-build-develop-gcc (address, debug, false)	3m 57s
nix-build-develop-gcc (undefined, release, true)	4m 7s
nix-build-develop-gcc (undefined, release, false)	4m 7s
nix-build-develop-gcc (undefined, debug, true)	3m 18s
nix-build-develop-gcc (undefined, debug, false)	3m 22s
	55m 23s

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