Remove unnecessary check in IPv6 parsing

It's not possible to have encountered a double-colon
when in the COLON_BUT_NO_GROUPS_YET state.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 2ac49cb..3b3a02c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -316,7 +316,7 @@ fn validate_ipv6_address(address: &str) -> Result<(), Error> {
             },
 
             ValidationState::ColonButNoGroupsYet => {
-                if c != ':' || double_colon_encountered {
+                if c != ':' {
                     return Err(Error::IllegalCharacter);
                 }
                 double_colon_encountered = true;