Devin Coughlin 8b5f6fec60 Rename '#os' to '#available' ...

The API review list found it confusing that if #os() and #if os() looked so similar, so
change the availability checking query to be spelled #available:

if #available(iOS >= 9.0, *) {
  ...
}

Swift SVN r26995

2015-04-04 23:33:13 +00:00

7.1 KiB

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