Merge pull request #271 from mP1/feature/mP1-walkingkooka-tree-pull-914-ExpressionFunction-NO_PARAMETERS

mP1/walkingkooka-tree#914 ExpressionFunction.…

Author: mP1

src/main/java/walkingkooka/spreadsheet/expression/function/SpreadsheetExpressionFunctionCell.java

@@ -19,6 +19,7 @@
 
 import walkingkooka.spreadsheet.SpreadsheetCell;
 import walkingkooka.spreadsheet.expression.SpreadsheetExpressionEvaluationContext;
+import walkingkooka.tree.expression.function.ExpressionFunction;
 import walkingkooka.tree.expression.function.ExpressionFunctionParameter;
 
 import java.util.List;
@@ -35,7 +36,7 @@ abstract class SpreadsheetExpressionFunctionCell<T> extends SpreadsheetExpressio
 
     @Override
     public final List<ExpressionFunctionParameter<?>> parameters(final int count) {
-        return ExpressionFunctionParameter.EMPTY;
+        return ExpressionFunction.NO_PARAMETERS;
     }
 
     @Override

src/main/java/walkingkooka/spreadsheet/expression/function/SpreadsheetExpressionFunctionNa.java

@@ -20,6 +20,7 @@
 import walkingkooka.spreadsheet.SpreadsheetError;
 import walkingkooka.spreadsheet.SpreadsheetErrorKind;
 import walkingkooka.spreadsheet.expression.SpreadsheetExpressionEvaluationContext;
+import walkingkooka.tree.expression.function.ExpressionFunction;
 import walkingkooka.tree.expression.function.ExpressionFunctionParameter;
 
 import java.util.List;
@@ -38,7 +39,7 @@ private SpreadsheetExpressionFunctionNa() {
 
     @Override
     public List<ExpressionFunctionParameter<?>> parameters(final int count) {
-        return ExpressionFunctionParameter.EMPTY;
+        return ExpressionFunction.NO_PARAMETERS;
     }
 
     @Override