rust/platform/os/BUILD.bazel - third_party/github.com/bazelbuild/rules_rust - Git at Google

 constraint_value(
     name = "unknown",
     constraint_setting = "@platforms//os",
     visibility = ["//visibility:public"],
 )

 constraint_value(
     name = "wasi",
     constraint_setting = "@platforms//os",
     visibility = ["//visibility:public"],
 )
	constraint_value(
	name = "unknown",
	constraint_setting = "@platforms//os",
	visibility = ["//visibility:public"],
	)

	constraint_value(
	name = "wasi",
	constraint_setting = "@platforms//os",
	visibility = ["//visibility:public"],
	)