public static bool InstanceVariableDefined(RubyContext/*!*/ context, object self, [DefaultProtocol, NotNull]string/*!*/ name) {
object value;
if (!context.TryGetInstanceVariable(self, name, out value)) {
// We didn't find it, check if the name is valid
context.CheckInstanceVariableName(name);
return false;
}
return true;
}
public static object RemoveInstanceVariable(RubyContext/*!*/ context, object/*!*/ self, [DefaultProtocol, NotNull]string/*!*/ name) {
object value;
if (!context.TryRemoveInstanceVariable(self, name, out value)) {
// We didn't find it, check if the name is valid
context.CheckInstanceVariableName(name);
throw RubyExceptions.CreateNameError(String.Format("instance variable `{0}' not defined", name));
}
return value;
}
public static object InstanceVariableSet(RubyContext/*!*/ context, object self, [DefaultProtocol, NotNull]string/*!*/ name, object value) {
context.CheckInstanceVariableName(name);
context.SetInstanceVariable(self, name, value);
return value;
}