csv

var (
	// MarshalFailed wraps a failure from encoding/csv.Writer.Write(All).
	MarshalFailed = errs.Define(CodeCSVMarshalFailed, "MARSHAL_FAILED",
		"CSV encoding failed",
		"service/codec/csv: encoding/csv.Writer.WriteAll returned an error")

	// UnmarshalFailed wraps a failure from encoding/csv.Reader.ReadAll.
	UnmarshalFailed = errs.Define(CodeCSVUnmarshalFailed, "UNMARSHAL_FAILED",
		"CSV decoding failed",
		"service/codec/csv: encoding/csv.Reader.ReadAll returned an error")

	// ValueInvalid fires when the caller does not pass a *[][]string.
	ValueInvalid = errs.Define(CodeCSVValueInvalid, "VALUE_INVALID",
		"CSV codec requires a [][]string value",
		"service/codec/csv: Marshal/Unmarshal called with non-[][]string argument")
)

var (
	//: Codec is the CSV singleton, registered with core/codec at package
	//: load. Binding the registration result to a named var is more
	//: idiomatic than `var _ = codec.Register(...)` and keeps us clear of
	//: init(). The singleton has escapeFormulas=false for wire-format
	//: fidelity — consumers whose output is read by a spreadsheet
	//: application should use NewWithEscape(true) instead.
	Codec codec.Codec = codec.Register(&csvCodec{})
)