go-copier

I am a struct copier. I copy everything I can and copy more than https://github.com/jinzhu/copier. I also have support for protobuf wrappers.

• Copy from field to field with same name
• Copy from slice to slice
• Copy from pointer to non-pointer of same or compatible type
• Copy from map to map
• Ignore a field with a tag
• Map a field with different names with a tag
• Deep Copy
• Copy from encoding.TextMarshaler to string
• Copy from string to encoding.TextUnmarshaler
• Support type aliases and string enums
• Override Marshal behavior with CopierMarshaler
• Override UnMarshal behavior with CopierUnmarshal
• Copy between unsigned int and *int types (e.g. uint16 to uint32)
• Copy between signed int and *int types (e.g. int16 to int32)
• Copy timestamppb.Timestamp to time.Time and *time.Time
• Copy time.Time and *time.Time to timestamppb.Timestamp
• Copy durationpb.Duration to time.Duration and *time.Duration
• Copy time.Duration and *time.Duration to durationpb.Duration
• Copy from wrapperspb.StringValue to string and *string
• Copy from string and *string to wrapperspb.StringValue
• Copy from wrapperspb.BoolValue to bool and *bool
• Copy from bool and *bool to wrapperspb.BoolValue
• Copy from wrapperspb.Int32Value to any signed integer or signed integer pointer
• Copy from any signed integer or signed integer pointer to wrapperspb.Int32Value
• Copy from wrapperspb.Int64Value to any signed integer or signed integer pointer
• Copy from any signed integer or signed integer pointer to wrapperspb.Int64Value
• Copy from wrapperspb.UInt32Value to any unsigned integer or unsigned integer pointer
• Copy from any unsigned integer or unsigned integer pointer to wrapperspb.UInt32Value
• Copy from wrapperspb.UInt64Value to any unsigned integer or unsigned integer pointer
• Copy from any unsigned integer or unsigned integer pointer to wrapperspb.UInt64Value
• Copy from wrapperspb.FloatValue to any float or float pointer
• Copy from any float or float pointer to wrapperspb.FloatValue
• Copy from wrapperspb.DoubleValue to any float or float pointer
• Copy from any float or float pointer to wrapperspb.DoubleValue
• Copy from wrapperspb.BytesValue to []byte
• Copy from []byte to wrapperspb.BytesValue

Usage

err := copier.Copy(dstStructPtr, srcStructPtr)

See copier_test.go for more

Unit Tests

make test

• Linter

Requires golangci-lint.

brew install golangci/tap/golangci-lint
make golint

• Security Linter

make gosec

Contributing

Happy to accept PRs.

Author

davidwartell

• http://github.com/davidwartell
• http://linkedin.com/in/wartell

License

Released under the Apache License.