Sample generated output from example struct

example/testcasing_jsonenums.go

@@ -0,0 +1,78 @@
+// generated by jsonenums -type=TestCasing; DO NOT EDIT
+
+package main
+
+import (
+	"database/sql/driver"
+	"encoding/json"
+	"fmt"
+
+	"github.com/pkg/errors"
+)
+
+var (
+	_TestCasingNameToValue = map[string]TestCasing{
+		"case_madness_a":      caseMadnessA,
+		"case_ma_dn_e_es_b":   caseMaDnEEsB,
+		"normal_case_example": normalCaseExample,
+	}
+
+	_TestCasingValueToName = map[TestCasing]string{
+		caseMadnessA:      "case_madness_a",
+		caseMaDnEEsB:      "case_ma_dn_e_es_b",
+		normalCaseExample: "normal_case_example",
+	}
+)
+
+func init() {
+	var v TestCasing
+	if _, ok := interface{}(v).(fmt.Stringer); ok {
+		_TestCasingNameToValue = map[string]TestCasing{
+			interface{}(caseMadnessA).(fmt.Stringer).String():      caseMadnessA,
+			interface{}(caseMaDnEEsB).(fmt.Stringer).String():      caseMaDnEEsB,
+			interface{}(normalCaseExample).(fmt.Stringer).String(): normalCaseExample,
+		}
+	}
+}
+
+// MarshalJSON is generated so TestCasing satisfies json.Marshaler.
+func (r TestCasing) MarshalJSON() ([]byte, error) {
+	if s, ok := interface{}(r).(fmt.Stringer); ok {
+		return json.Marshal(s.String())
+	}
+	s, ok := _TestCasingValueToName[r]
+	if !ok {
+		return nil, fmt.Errorf("invalid TestCasing: %d", r)
+	}
+	return json.Marshal(s)
+}
+
+// UnmarshalJSON is generated so TestCasing satisfies json.Unmarshaler.
+func (r *TestCasing) UnmarshalJSON(data []byte) error {
+	var s string
+	if err := json.Unmarshal(data, &s); err != nil {
+		return fmt.Errorf("TestCasing should be a string, got %s", data)
+	}
+	v, ok := _TestCasingNameToValue[s]
+	if !ok {
+		return fmt.Errorf("invalid TestCasing %q", s)
+	}
+	*r = v
+	return nil
+}
+
+//Scan an input string into this structure for use with GORP
+func (r *TestCasing) Scan(i interface{}) error {
+	switch i.(type) {
+	case string:
+		r.UnmarshalJSON([]byte(i.(string)))
+	default:
+		return errors.Errorf("Can't scan %T into type %T", i, r)
+	}
+	return nil
+}
+
+func (r TestCasing) Value() (driver.Value, error) {
+	bytes, err := r.MarshalJSON()
+	return string(bytes), err
+}