store: Change 'run-with-store' to return a single value.

* guix/store.scm (run-with-store): Wrap 'run-with-state' in
  'call-with-values'.  Return only the first value.
This commit is contained in:
Ludovic Courtès 2015-01-21 19:31:10 +01:00
parent a101c891e1
commit 3698f524d5
1 changed files with 6 additions and 2 deletions

View File

@ -917,10 +917,14 @@ permission bits are kept."
(guile-for-build (%guile-for-build))
(system (%current-system)))
"Run MVAL, a monadic value in the store monad, in STORE, an open store
connection."
connection, and return the result."
(parameterize ((%guile-for-build guile-for-build)
(%current-system system))
(run-with-state mval store)))
(call-with-values (lambda ()
(run-with-state mval store))
(lambda (result store)
;; Discard the state.
result))))
;;;