Add rust to rule S2185

rules/S2185/java/metadata.json

@@ -1,30 +1,2 @@
 {
-  "title": "Do not perform unnecessary mathematical operations",
-  "type": "CODE_SMELL",
-  "code": {
-    "impacts": {
-      "MAINTAINABILITY": "MEDIUM"
-    },
-    "attribute": "LOGICAL"
-  },
-  "status": "ready",
-  "remediation": {
-    "func": "Constant\/Issue",
-    "constantCost": "15min"
-  },
-  "tags": [
-    "clumsy"
-  ],
-  "extra": {
-    "replacementRules": [],
-    "legacyKeys": []
-  },
-  "defaultSeverity": "Major",
-  "ruleSpecification": "RSPEC-2185",
-  "sqKey": "S2185",
-  "scope": "All",
-  "defaultQualityProfiles": [
-    "Sonar way"
-  ],
-  "quickfix": "unknown"
 }

rules/S2185/metadata.json

@@ -1,2 +1,30 @@
 {
+  "title": "Do not perform unnecessary mathematical operations",
+  "type": "CODE_SMELL",
+  "code": {
+    "impacts": {
+      "MAINTAINABILITY": "MEDIUM"
+    },
+    "attribute": "LOGICAL"
+  },
+  "status": "ready",
+  "remediation": {
+    "func": "Constant\/Issue",
+    "constantCost": "15min"
+  },
+  "tags": [
+    "clumsy"
+  ],
+  "extra": {
+    "replacementRules": [],
+    "legacyKeys": []
+  },
+  "defaultSeverity": "Major",
+  "ruleSpecification": "RSPEC-2185",
+  "sqKey": "S2185",
+  "scope": "All",
+  "defaultQualityProfiles": [
+    "Sonar way"
+  ],
+  "quickfix": "unknown"
 }

rules/S2185/rust/metadata.json

@@ -0,0 +1,2 @@
+{
+}

rules/S2185/rust/rule.adoc

@@ -0,0 +1,44 @@
+FIXME: add a description
+
+// If you want to factorize the description uncomment the following line and create the file.
+//include::../description.adoc[]
+
+== Why is this an issue?
+
+FIXME: remove the unused optional headers (that are commented out)
+
+//=== What is the potential impact?
+
+== How to fix it
+//== How to fix it in FRAMEWORK NAME
+
+=== Code examples
+
+==== Noncompliant code example
+
+[source,rust,diff-id=1,diff-type=noncompliant]
+----
+FIXME
+----
+
+==== Compliant solution
+
+[source,rust,diff-id=1,diff-type=compliant]
+----
+FIXME
+----
+
+//=== How does this work?
+
+//=== Pitfalls
+
+//=== Going the extra mile
+
+
+//== Resources
+//=== Documentation
+//=== Articles & blog posts
+//=== Conference presentations
+//=== Standards
+//=== External coding guidelines
+//=== Benchmarks