From 07b214bc24950239b597fd0d4ee4d96bee80a1db Mon Sep 17 00:00:00 2001
From: raj_mathe <raj.dahya@math.uni-leipzig.de>
Date: Thu, 14 Apr 2022 11:54:49 +0200
Subject: [PATCH] master > master: code-rust - util min durch macro ersetzt

---
 code/rust/src/core/utils.rs             | 19 +++++++++++++++----
 code/rust/tests/test_core/test_utils.rs | 11 ++++++-----
 2 files changed, 21 insertions(+), 9 deletions(-)

diff --git a/code/rust/src/core/utils.rs b/code/rust/src/core/utils.rs
index 8f90228..5907c6d 100644
--- a/code/rust/src/core/utils.rs
+++ b/code/rust/src/core/utils.rs
@@ -25,11 +25,22 @@ pub fn construct_regex(pattern: &str) -> Regex {
 // METHODS values
 // ----------------------------------------------------------------
 
-pub fn min<T>(x: T, y: T) -> T
-    where T: PartialOrd
-{
-    return if y < x { y } else { x };
+#[macro_export]
+macro_rules! value_min{
+    ($value:expr $(,)?)=>{ $value };
+    ($value:expr $(, $values:expr)+ $(,)?)=>{
+        {
+            let x = $crate::value_min!($( $values )+);
+            if $value < x {
+                $value
+            } else {
+                x
+            }
+        }
+    };
 }
+#[allow(unused_imports)]
+pub(crate) use value_min;
 
 // ----------------------------------------------------------------
 // METHODS Vectors
diff --git a/code/rust/tests/test_core/test_utils.rs b/code/rust/tests/test_core/test_utils.rs
index 97c089b..496ba71 100644
--- a/code/rust/tests/test_core/test_utils.rs
+++ b/code/rust/tests/test_core/test_utils.rs
@@ -3,6 +3,7 @@
 // ----------------------------------------------------------------
 
 use ads2::core::utils;
+use ads2::value_min;
 
 // ----------------------------------------------------------------
 // Test regex
@@ -21,11 +22,11 @@ fn test_regex() {
 
 #[test]
 fn test_min() {
-    assert_eq!(utils::min("beth", "alef"), "alef");
-    assert_eq!(utils::min("alef", "beth"), "alef");
-    assert_eq!(utils::min("alef", "ale"), "ale");
-    assert_eq!(utils::min(320, 24), 24);
-    assert_eq!(utils::min(0.03, 0.2), 0.03);
+    assert_eq!(value_min!("beth", "alef"), "alef");
+    assert_eq!(value_min!("alef", "beth"), "alef");
+    assert_eq!(value_min!("alef", "ale"), "ale");
+    assert_eq!(value_min!(320, 24), 24);
+    assert_eq!(value_min!(0.03, 0.2), 0.03);
 }
 
 // ----------------------------------------------------------------