Document intention of hostURL.port conditional check.

denza · Aug 6, 2015 · cceeb51 · cceeb51
1 parent 83b7971
commit cceeb51
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/objective-c/GRPCClient/private/GRPCHost.m b/src/objective-c/GRPCClient/private/GRPCHost.m
@@ -71,6 +71,7 @@ - (instancetype)initWithAddress:(NSString *)address {
   if (![scheme isEqualToString:@"https"] && ![scheme isEqualToString:@"http"]) {
     [NSException raise:NSInvalidArgumentException format:@"URL scheme %@ isn't supported.", scheme];
   }
+  // If the user didn't specify a port (hostURL.port is nil), provide a default one.
   NSNumber *port = hostURL.port ?: [scheme isEqualToString:@"https"] ? @443 : @80;
   address = [@[hostURL.host, port] componentsJoinedByString:@":"];