From c53d874277c0eaf88ec71bab9658425535a2252a Mon Sep 17 00:00:00 2001
From: Profpatsch <mail@profpatsch.de>
Date: Sat, 8 Jul 2017 14:10:22 +0200
Subject: lib/types: add intBetween

An int type that checks the value range.
---
 lib/types.nix | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'lib')

diff --git a/lib/types.nix b/lib/types.nix
index db3bd3815238..e921f7f6d9fc 100644
--- a/lib/types.nix
+++ b/lib/types.nix
@@ -114,6 +114,12 @@ rec {
       merge = mergeOneOption;
     };
 
+    intBetween = min: max:
+      addCheck types.int (x: x >= min && x <= max) // {
+        name = "intBetween";
+        description = "integer between ${toString min} and ${toString max} (both inclusively)";
+      };
+
     str = mkOptionType {
       name = "str";
       description = "string";
-- 
cgit 1.4.1