gnu: Add go-github-com-blevesearch-go-faiss.

* gnu/packages/golang-xyz.scm (go-github-com-blevesearch-go-faiss): New
variable.

Change-Id: I4d10f7533320c6635349d98e1abbeab28808533e
Signed-off-by: Sharlatan Hellseher <sharlatanus@gmail.com>

gnu/packages/golang-xyz.scm

@@ -110,6 +110,7 @@
   #:use-module (gnu packages golang-crypto)
   #:use-module (gnu packages golang-maths)
   #:use-module (gnu packages golang-web)
+  #:use-module (gnu packages graph)
   #:use-module (gnu packages libedit)
   #:use-module (gnu packages linux)
   #:use-module (gnu packages pkg-config)
@@ -3240,6 +3241,32 @@ program's running, don't expect consistent results between platforms
 It's an alternative fork of https://github.com/edsrzf/mmap-go")
     (license license:bsd-3)))
 
+(define-public go-github-com-blevesearch-go-faiss
+  (package
+    (name "go-github-com-blevesearch-go-faiss")
+    (version "1.0.27")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+              (url "https://github.com/blevesearch/go-faiss")
+              (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "1y9gf2nbg3gjncs6l9fg4q2sxjildszanb24jhhsmivhwlzhcgzh"))))
+    (build-system go-build-system)
+    (arguments
+     (list
+      #:import-path "github.com/blevesearch/go-faiss"))
+    (inputs
+     (list faiss-for-go-faiss))
+    (home-page "https://github.com/blevesearch/go-faiss")
+    (synopsis "Go bindings for Faiss")
+    (description
+     "This package provides Go bindings for @url{https://faiss.ai/, faiss}, a
+library for vector similarity search.")
+    (license license:expat)))
+
 (define-public go-github-com-bmatcuk-doublestar
   (package
     (name "go-github-com-bmatcuk-doublestar")