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Add castrepeated extension #658

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Add castrepeated extension #658

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@aaronc aaronc commented Jan 10, 2020

The castrepeated extension changes the generated field type of a repeated field and expects that the whole array generated by a repeated field is castable to this type.

Example from the tests:

message CastRepeated {
	repeated ProtoType Field1 = 1 [(gogoproto.castrepeated) = "ProtoTypesPointer"];
}

type ProtoTypesPointer []*ProtoType

// generated struct
type CastRepeated struct {
	Field1               ProtoTypesPointer `protobuf:"bytes,1,rep,name=Field1,castrepeated=ProtoTypesPointer" json:"Field1,omitempty"`
}

@aaronc aaronc marked this pull request as ready for review January 10, 2020 22:46
@aaronc aaronc mentioned this pull request Jun 10, 2020
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@julienrbrt julienrbrt mentioned this pull request Sep 3, 2022
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