alef 0.21.1

Opinionated polyglot binding generator for Rust libraries
Documentation 
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// MarshalJSON implements json.Marshaler for the enum type.
func (e {{ enum_name }}) MarshalJSON() ([]byte, error) {
{% if tag_field %}
	// Internally-tagged enum: the wire form is always an object containing
	// the `{{ tag_field }}` discriminator. If only Variant was set, populate
	// the tag field from it before marshaling so the discriminator is preserved.
	if e.{{ tag_field }} == "" && e.Variant != "" {
		e.{{ tag_field }} = e.Variant
	}
	type alias {{ enum_name }}
	return json.Marshal(alias(e))
{% else %}
	if e.Variant != "" {
		return json.Marshal(e.Variant)
	}
	type alias {{ enum_name }}
	return json.Marshal(alias(e))
{% endif %}
}