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-rw-r--r--gnu/services.scm11
1 files changed, 11 insertions, 0 deletions
diff --git a/gnu/services.scm b/gnu/services.scm
index df1bedeb9b..016ff08e0b 100644
--- a/gnu/services.scm
+++ b/gnu/services.scm
@@ -55,6 +55,7 @@
%service-type-path
fold-service-types
+ lookup-service-types
service
service?
@@ -192,6 +193,16 @@ is used as the initial value of RESULT."
seed
modules))
+(define lookup-service-types
+ (let ((table
+ (delay (fold-service-types (lambda (type result)
+ (vhash-consq (service-type-name type)
+ type result))
+ vlist-null))))
+ (lambda (name)
+ "Return the list of services with the given NAME (a symbol)."
+ (vhash-foldq* cons '() name (force table)))))
+
;; Services of a given type.
(define-record-type <service>
(make-service type value)