From 17d81cb0c97cc814c5391b659d8b91bd90fd34c5 Mon Sep 17 00:00:00 2001
From: Miroslav Pokorny <miroslav.pokorny@gmail.com>
Date: Thu, 7 Dec 2023 07:46:10 +1100
Subject: [PATCH] ExpressionFunctionParameter.checkName extracted

---
 .../expression/function/ExpressionFunctionParameter.java  | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/main/java/walkingkooka/tree/expression/function/ExpressionFunctionParameter.java b/src/main/java/walkingkooka/tree/expression/function/ExpressionFunctionParameter.java
index 36749ee6..c8578121 100644
--- a/src/main/java/walkingkooka/tree/expression/function/ExpressionFunctionParameter.java
+++ b/src/main/java/walkingkooka/tree/expression/function/ExpressionFunctionParameter.java
@@ -87,7 +87,7 @@ public static <T> ExpressionFunctionParameter<T> with(final ExpressionFunctionPa
                                                           final List<Class<?>> typeParameters,
                                                           final ExpressionFunctionParameterCardinality cardinality,
                                                           final Set<ExpressionFunctionParameterKind> kinds) {
-        Objects.requireNonNull(name, "name");
+        checkName(name);
         checkType(type);
         Objects.requireNonNull(typeParameters, "typeParameters");
         Objects.requireNonNull(cardinality, "cardinality");
@@ -102,6 +102,10 @@ public static <T> ExpressionFunctionParameter<T> with(final ExpressionFunctionPa
         );
     }
 
+    private static ExpressionFunctionParameterName checkName(final ExpressionFunctionParameterName name) {
+        return Objects.requireNonNull(name, "name");
+    }
+
     private static <T> Class<T> checkType(final Class<T> type) {
         return Objects.requireNonNull(type, "type");
     }
@@ -127,7 +131,7 @@ public ExpressionFunctionParameterName name() {
      * Would be setter that returns a {@link ExpressionFunctionParameter} with the given {@link ExpressionFunctionParameterName}.
      */
     public ExpressionFunctionParameter<T> setName(final ExpressionFunctionParameterName name) {
-        Objects.requireNonNull(name, "name");
+        checkName(name);
 
         return this.name.equals(name) ?
                 this :