diff options
Diffstat (limited to 'src/objective-c/GRPCClient/private/GRPCRequestHeaders.m')
| -rw-r--r-- | src/objective-c/GRPCClient/private/GRPCRequestHeaders.m | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/objective-c/GRPCClient/private/GRPCRequestHeaders.m b/src/objective-c/GRPCClient/private/GRPCRequestHeaders.m index 5de1d8fff5..7640a64d6d 100644 --- a/src/objective-c/GRPCClient/private/GRPCRequestHeaders.m +++ b/src/objective-c/GRPCClient/private/GRPCRequestHeaders.m @@ -103,6 +103,7 @@ static void CheckKeyValuePairIsValid(NSString *key, id value) { } - (void)setObject:(id)obj forKey:(NSString *)key { + [self checkCallIsNotStarted]; CheckIsNonNilASCII(@"Header name", key); key = key.lowercaseString; CheckKeyValuePairIsValid(key, obj); |