By William Kennedy, Brian Ketelsen, Erik St. Martin
Move in motion introduces the cross language, guiding you from inquisitive developer to head guru. The ebook starts through introducing the original gains and ideas of cross. Then, you’ll get hands-on adventure writing real-world functions together with web pages and community servers, in addition to recommendations to control and convert info at speeds that would make your folks jealous.
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Additional resources for Go in Action
Sample text
Com 30 CHAPTER 2 Go quick-start first parameter. Only values or pointers that implement the Matcher interface will be accepted for this parameter. Since the defaultMatcher type now implements the interface declared with a value receiver, values or pointers of type defaultMatcher can be passed into this function. On line 23, the Search method is called from the Matcher type value that was passed into the function. Here the specific implementation of the Search method for the value assigned to the Matcher variable is executed.
Go: lines 29–32 // Write the results to the channel. go code file, we can connect the writing of the results, the closing of the channel, and the processing of results all together. go: lines 38–42 // The channel blocks until a result is written to the channel. // Once the channel is closed the for loop terminates. go code file will block until a result is written to the channel. go), the for range loop wakes up and is given those results. The results are then immediately written to the log. It seems this for range loop is stuck in an endless loop, but it isn’t.
In chapter 9 we’ll go into more detail about reflection and how this method works. The last line of code on line 35 returns the slice and error values back to the calling function. com> 26 CHAPTER 2 Go quick-start after the call to Decode. The function is complete and the calling function can check the error value and determine what to do next. Now it’s time to see how the search code supports different types of feed implementations by reviewing the matcher code. go code file contains the support for creating different types of matchers that can be used by the search Run function.