/// <summary> /// Creates a new expression that is like this one, but using the supplied children. If all of the children are the same, it will return this expression. /// </summary> /// <param name="variables">The <see cref="Variables" /> property of the result.</param> /// <param name="pattern">The <see cref="Pattern" /> property of the result.</param> /// <param name="whenClause">The <see cref="WhenClause" /> property of the result.</param> /// <param name="value">The <see cref="Value" /> property of the result.</param> /// <returns>This expression if no children changed, or an expression with the updated children.</returns> public SwitchExpressionArm Update(IEnumerable <ParameterExpression> variables, CSharpPattern pattern, Expression whenClause, Expression value) { if (SameElements(ref variables, Variables) && pattern == Pattern && whenClause == WhenClause && value == Value) { return(this); } return(CSharpExpression.SwitchExpressionArm(variables, pattern, whenClause, value)); }