/// <inheritdoc />
public void CopyTo(IVariablesCollection other)
{
other.EnsureNotNull(nameof(other));
foreach (var kvp in this)
{
other.SetValue(kvp.Key, kvp.Value);
}
}
/// <summary>Initializez a new instance of an expression evaluator.</summary>
/// <param name="context">The math context.</param>
/// <param name="variables">The variables collection.</param>
public ExpressionEvaluator(IMathContext context, IVariablesCollection variables)
{
context.EnsureNotNull(nameof(context));
variables.EnsureNotNull(nameof(variables));
_variables = variables;
_context = context;
_expressionEvaluators = new Dictionary <ExpressionType, Func <IExpression, ValueExpression> >
{
[ExpressionType.BinaryExpression] = EvaluateBinaryExpression,
[ExpressionType.UnaryExpression] = EvaluateUnaryExpression,
[ExpressionType.ConstantExpression] = EvaluateConstantExpression,
[ExpressionType.GroupingExpression] = EvaluateGroupingExpression,
[ExpressionType.VariableExpression] = EvaluateVariableExpression
};
}