Documentation
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Overview ¶
deepcopy-gen is a tool for auto-generating DeepCopy functions.
Given a list of input directories, it will generate functions that efficiently perform a full deep-copy of each type. For any type that offers a `.DeepCopy()` method, it will simply call that. Otherwise it will use standard value assignment whenever possible. If that is not possible it will try to call its own generated copy function for the type, if the type is within the allowed root packages. Failing that, it will fall back on `conversion.Cloner.DeepCopy(val)` to make the copy. The resulting file will be stored in the same directory as the processed source package.
Generation is governed by comment tags in the source. Any package may request DeepCopy generation by including a comment in the file-comments of one file, of the form:
// +k8s:deepcopy-gen=package
DeepCopy functions can be generated for individual types, rather than the entire package by specifying a comment on the type definion of the form:
// +k8s:deepcopy-gen=true
When generating for a whole package, individual types may opt out of DeepCopy generation by specifying a comment on the of the form:
// +k8s:deepcopy-gen=false
Note that registration is a whole-package option, and is not available for individual types.
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