1 files changed, 0 insertions, 108 deletions
diff --git a/examples/objc/PrenotCalculator/Equation.m b/examples/objc/PrenotCalculator/Equation.m
deleted file mode 100644
index 2bf8f5f67c..0000000000
--- a/examples/objc/PrenotCalculator/Equation.m
+++ /dev/null
@@ -1,108 +0,0 @@
-// Copyright 2015 The Bazel Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#import "Equation.h"
-
-@implementation Equation {
-  NSMutableArray *_children;
-}
-
-@synthesize operation = _operation;
-
-- (id)init {
-  [self doesNotRecognizeSelector:_cmd];
-  return nil;
-}
-
-- (id)initWithOperation:(Operation)operation {
-  self = [super init];
-  if (self) {
-    _children = [NSMutableArray array];
-    _operation = operation;
-  }
-  return self;
-}
-
-- (NSArray *)children {
-  return [_children copy];
-}
-
-- (void)addExpressionAsChild:(Expression *)child {
-  [_children addObject:child];
-}
-
-- (double)calculate {
-  if ([_children count] == 1) {
-    return (_operation == kSubtract)
-        ? -[_children[0] calculate] : [_children[0] calculate];
-  } else if ([_children count] == 0) {
-    return (_operation == kSubtract || _operation == kAdd) ? 0 : 1;
-  }
-  double value = [_children[0] calculate];
-  for (Equation *child in [_children subarrayWithRange:
-      NSMakeRange(1, [_children count] - 1)]) {
-    double childValue = [child calculate];
-    switch (_operation) {
-      case kAdd:
-        value += childValue;
-        break;
-      case kSubtract:
-        value -= childValue;
-        break;
-      case kMultiply:
-        value *= childValue;
-        break;
-      case kDivide:
-        value /= childValue;
-        break;
-    }
-  }
-  return value;
-}
-
-- (NSString *)description {
-  NSMutableString *result = [[NSMutableString alloc] init];
-  [result appendString:@"("];
-  switch (_operation) {
-    case kAdd:
-      [result appendString:@"+"];
-      break;
-    case kSubtract:
-      [result appendString:@"-"];
-      break;
-    case kMultiply:
-      [result appendString:@"*"];
-      break;
-    case kDivide:
-      [result appendString:@"/"];
-      break;
-  }
-  for (Equation *child in _children) {
-    [result appendString:@" "];
-    [result appendString:[child description]];
-  }
-  [result appendString:@")"];
-  return [result copy];
-}
-
-- (BOOL)isEqual:(id)object {
-  if (![object isKindOfClass:[self class]]) {
-    return NO;
-  }
-  Equation *other = object;
-  return other->_operation == _operation &&
-      [other->_children isEqual:_children];
-}
-
-@end