From 90354e34e386b21451e0b6dab87ff5d9e81a94ae Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Wed, 13 Dec 2017 14:35:44 +0100
Subject: [PATCH] derivations: Don't memoize 'derivation-hash'.

This has little or no run-time impact and slightly reduces the memory
footprint.

* guix/derivations.scm (derivation-hash): Replace 'mlambda' with
'lambda'.
---
 guix/derivations.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/guix/derivations.scm b/guix/derivations.scm
index bb18ce6bb1..38cefb6100 100644
--- a/guix/derivations.scm
+++ b/guix/derivations.scm
@@ -651,7 +651,7 @@ name of each input with that input's hash."
                         #f)))))
 
 (define derivation-hash            ; `hashDerivationModulo' in derivations.cc
-  (mlambda (drv)
+  (lambda (drv)
     "Return the hash of DRV, modulo its fixed-output inputs, as a bytevector."
     (match drv
       (($ <derivation> ((_ . ($ <derivation-output> path