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DCDistance.m
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DCDistance.m
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// DCDistance.m
#import "DCDistance.h"
@implementation DCDistance
- (instancetype)initWithMeters:(double)distance {
self = [super init];
if (self) {
self.distance = distance;
}
return self;
}
- (instancetype)initWithKilometers:(double)distance {
self = [super init];
if (self) {
self.distance = distance * 1000;
}
return self;
}
- (instancetype)initWithFeet:(double)distance {
self = [super init];
if (self) {
self.distance = distance * 0.3048;
}
return self;
}
- (instancetype)initWithYards:(double)distance {
self = [super init];
if (self) {
self.distance = distance * 0.9144;
}
return self;
}
- (instancetype)initWithMiles:(double)distance {
self = [super init];
if (self) {
self.distance = distance * 1609.34;
}
return self;
}
+ (double)meters:(double)distance {
return distance;
}
+ (double)kilometers:(double)distance {
return distance * 1000;
}
+ (double)feet:(double)distance {
return distance * 0.3048;
}
+ (double)yards:(double)distance {
return distance * 0.9144;
}
+ (double)miles:(double)distance {
return distance * 1609.34;
}
- (double)meters {
return self.distance;
}
- (double)kilometers {
return self.distance / 1000;
}
- (double)feet {
return self.distance / 0.3048;
}
- (double)yards {
return self.distance / 0.9144;
}
- (double)miles {
return self.distance / 1609.34;
}
@end