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Q&A Are hyphens and/or underscores valid in golang package names?

Can a Go package name validly contain a hyphen and/or an underscore? The godocs say that By convention, packages are given lower case, single-word names; there should be no need for underscores or...

1 answer  ·  posted 3y ago by qohelet‭  ·  last activity 3y ago by Moshi‭

#5: Post edited by user avatar qohelet‭ · 2020-10-26T02:32:46Z (over 3 years ago)
  • Can a Go package name _validly_ contain a hyphen and/or an underscore?
  • [The godocs](https://golang.org/doc/effective_go.html#package-names) say that
  • >By convention, packages are given lower case, single-word names; there should be no need for underscores or mixedCaps.
  • However, this does not indicate if underscores are invalid/illegal vs. simply not following the convention, and it says nothing about hyphens.
  • Similarly, I searched for "hypen" and "underscore" in [a blog post on Go package names](https://blog.golang.org/package-names) and found nothing about hyphens. There was an example with an underscore in a package name with an introductory comment that it does "not fit well in Go."
  • Can a Go package name _validly_ contain a hyphen and/or an underscore?
  • [The godocs](https://golang.org/doc/effective_go.html#package-names) say that
  • >By convention, packages are given lower case, single-word names; there should be no need for underscores or mixedCaps.
  • However, this does not indicate if underscores are invalid/illegal vs. simply not following the convention, and it says nothing about hyphens.
  • Similarly, I searched for "hypen" and "underscore" in [a blog post on Go package names](https://blog.golang.org/package-names) and found nothing about hyphens. There was an example with an underscore in a package name with an introductory comment indicating that it does "not fit well in Go," but again does not indicate whether or not it is invalid.
#4: Post edited by user avatar qohelet‭ · 2020-10-26T02:30:26Z (over 3 years ago)
  • Can a Go package name validly contain a hyphen and/or an underscore?
  • [The godocs](https://golang.org/doc/effective_go.html#package-names) say that
  • >By convention, packages are given lower case, single-word names; there should be no need for underscores or mixedCaps.
  • However, this does not indicate if underscores are invalid/illegal vs. simply not following the convention, and it says nothing about hyphens.
  • Similarly, I searched for "hypen" and "underscore" in [a blog post on Go package names](https://blog.golang.org/package-names) and found nothing about hyphens. There was an example with an underscore in a package name with an introductory comment that it does "not fit well in Go."
  • Can a Go package name _validly_ contain a hyphen and/or an underscore?
  • [The godocs](https://golang.org/doc/effective_go.html#package-names) say that
  • >By convention, packages are given lower case, single-word names; there should be no need for underscores or mixedCaps.
  • However, this does not indicate if underscores are invalid/illegal vs. simply not following the convention, and it says nothing about hyphens.
  • Similarly, I searched for "hypen" and "underscore" in [a blog post on Go package names](https://blog.golang.org/package-names) and found nothing about hyphens. There was an example with an underscore in a package name with an introductory comment that it does "not fit well in Go."
#3: Post edited by user avatar qohelet‭ · 2020-10-26T02:30:11Z (over 3 years ago)
  • Can a Go package name validly contain a hyphen and/or an underscore?
  • [The godocs](https://golang.org/doc/effective_go.html#package-names) say that
  • >By convention, packages are given lower case, single-word names; there should be no need for underscores or mixedCaps.
  • However, this does not indicate if underscores are invalid/illegal vs. simply not following the convention, and it says nothing about hyphens.
  • Similarly, I searched for "hypen" and "underscore" in [a blog post on Go package names](https://blog.golang.org/package-names) and found nothing.
  • Can a Go package name validly contain a hyphen and/or an underscore?
  • [The godocs](https://golang.org/doc/effective_go.html#package-names) say that
  • >By convention, packages are given lower case, single-word names; there should be no need for underscores or mixedCaps.
  • However, this does not indicate if underscores are invalid/illegal vs. simply not following the convention, and it says nothing about hyphens.
  • Similarly, I searched for "hypen" and "underscore" in [a blog post on Go package names](https://blog.golang.org/package-names) and found nothing about hyphens. There was an example with an underscore in a package name with an introductory comment that it does "not fit well in Go."
#2: Post edited by user avatar qohelet‭ · 2020-10-26T02:28:39Z (over 3 years ago)
  • Can a Go package name validly contain a hyphen and/or an underscore?
  • [The godocs](https://golang.org/doc/effective_go.html#package-names) say that
  • >By convention, packages are given lower case, single-word names; there should be no need for underscores or mixedCaps.
  • However, this does not indicate if underscores are invalid/illegal vs. simply not following the convention.
  • Similarly, I searched for "hypen" and "underscore" in [a blog post on Go package names](https://blog.golang.org/package-names) and found nothing.
  • Can a Go package name validly contain a hyphen and/or an underscore?
  • [The godocs](https://golang.org/doc/effective_go.html#package-names) say that
  • >By convention, packages are given lower case, single-word names; there should be no need for underscores or mixedCaps.
  • However, this does not indicate if underscores are invalid/illegal vs. simply not following the convention, and it says nothing about hyphens.
  • Similarly, I searched for "hypen" and "underscore" in [a blog post on Go package names](https://blog.golang.org/package-names) and found nothing.
#1: Initial revision by user avatar qohelet‭ · 2020-10-26T02:28:02Z (over 3 years ago)
Are hyphens and/or underscores valid in golang package names?
Can a Go package name validly contain a hyphen and/or an underscore?

[The godocs](https://golang.org/doc/effective_go.html#package-names) say that

>By convention, packages are given lower case, single-word names; there should be no need for underscores or mixedCaps.

However, this does not indicate if underscores are invalid/illegal vs. simply not following the convention.

Similarly, I searched for "hypen" and "underscore" in [a blog post on Go package names](https://blog.golang.org/package-names) and found nothing.