std: Move rand to librand.

This functionality is not super-core and so doesn't need to be included
in std. It's possible that std may need rand (it does a little bit now,
for io::test) in which case the functionality required could be moved to
a secret hidden module and reexposed by librand.

Unfortunately, using #[deprecated] here is hard: there's too much to
mock to make it feasible, since we have to ensure that programs still
typecheck to reach the linting phase.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/rt/rust_builtin.c b/src/rt/rust_builtin.c
index 6ba121c5d2d..8ab8636aa3a 100644
--- a/src/rt/rust_builtin.c
+++ b/src/rt/rust_builtin.c
@@ -410,7 +410,7 @@ rust_win32_rand_acquire(HCRYPTPROV* phProv) {
     win32_require
         (_T("CryptAcquireContext"),
          // changes to the parameters here should be reflected in the docs of
-         // std::rand::os::OSRng
+         // rand::os::OSRng
          CryptAcquireContext(phProv, NULL, NULL, PROV_RSA_FULL,
                              CRYPT_VERIFYCONTEXT|CRYPT_SILENT));