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Go: Design Patterns for Real-World Projects by Mat Ryer, Mario Castro Contreras, Vladimir Vivien

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Go identifiers

Go identifiers are used to name program elements including packages, variables, functions, and types. The following summarizes some attributes about identifiers in Go:

  • Identifiers support the Unicode character set
  • The first position of an identifier must be a letter or an underscore
  • Idiomatic Go favors mixed caps (camel case) naming
  • Package-level identifiers must be unique across a given package
  • Identifiers must be unique within a code block (functions, control statements)

The blank identifier

The Go compiler is particularly strict about the use of declared identifiers for variables or packages. The basic rule is: you declare it, you must use it. If you attempt to compile code with unused identifiers such as variables or named packages, ...

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