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Typo: missing ';' ruins emdash

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There's an `&mdash` that needs to be an `&emdash;`.
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George Hartzell 2019-06-29 09:03:22 -07:00 committed by GitHub
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@ -145,7 +145,7 @@ func fileExtension(filepath string) string {
}
```
This kind of logical progression in our function names—from a high level of abstraction to a lower, more specific one&mdashmakes the code easier to follow and and read. Consider the alternative: If our highest level of abstraction is too specific, then we'll end up with a name that attempts to cover all bases, like `DetermineFileExtensionAndParseConfigurationFile`. This is horrendously difficult to read; we are trying to be too specific too soon and end up confusing the reader, despite trying to be clear!
This kind of logical progression in our function names—from a high level of abstraction to a lower, more specific one—makes the code easier to follow and and read. Consider the alternative: If our highest level of abstraction is too specific, then we'll end up with a name that attempts to cover all bases, like `DetermineFileExtensionAndParseConfigurationFile`. This is horrendously difficult to read; we are trying to be too specific too soon and end up confusing the reader, despite trying to be clear!
#### Variable Naming
Rather interestingly, the opposite is true for variables. Unlike functions, our variables should be named from more to less specific the deeper we go into nested scopes.