unnamedType uses struct{} to use less memory

[Delveshal]

No description provided.

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[Delveshal]

x/lint: no longer builds on Go 1.6

[emanuel-v-r]

Created this repo https://github.com/imaramos/goject with the purpose of extend this libary due to the lack of maintainance.
The only feature added was the described in this pull request #21.
The rest is only renaming.