Commits on May 11, 2015

1. Prevent parsing brackets from causing panic …

   The code:
   
   ```
   Url::parse("http://[]")
   ```
   
   The panic:
   
   ```
   thread '<main>' panicked at 'index out of bounds: the len is 0 but the index is 0',
   /Users/coreyf/.cargo/registry/src/github.com-1ecc6299db9ec823/url-0.2.34/src/host.rs:104
   ```
   
   in addition to:
   
   The code:
   
   ```
   Url::parse("http://[:]")
   ```
   
   The panic:
   
   ```
   /Users/coreyf/.cargo/registry/src/github.com-1ecc6299db9ec823/url-0.2.34/src/host.rs:104
   thread 'tests::url_parsing' panicked at 'index out of bounds: the len is
   1 but the index is 1', src/host.rs:110
   ```
   
   Was found using https://github.com/kmcallister/afl.rs 👍

   

   frewsxcv committed May 11, 2015

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