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-rw-r--r--nixpkgs/lib/versions.nix12
1 files changed, 7 insertions, 5 deletions
diff --git a/nixpkgs/lib/versions.nix b/nixpkgs/lib/versions.nix
index 2c05445b3dd0..0e9d81ac78b1 100644
--- a/nixpkgs/lib/versions.nix
+++ b/nixpkgs/lib/versions.nix
@@ -1,13 +1,15 @@
 /* Version string functions. */
 { lib }:
 
-let
+rec {
 
-  splitVersion = builtins.splitVersion or (lib.splitString ".");
-
-in
+  /* Break a version string into its component parts.
 
-{
+     Example:
+       splitVersion "1.2.3"
+       => ["1" "2" "3"]
+  */
+  splitVersion = builtins.splitVersion or (lib.splitString ".");
 
   /* Get the major version string from a string.