Function cachedFieldsForTypeWithStack

internal/decoder/reflection.go:1268–1290

(
	resultType reflect.Type,
	stack map[reflect.Type]bool,
)

}

func cachedFieldsForTypeWithStack(
	resultType reflect.Type,
	stack map[reflect.Type]bool,
) *fieldsType {
	if fields, ok := fieldsMap.Load(resultType); ok {
		return fields.(*fieldsType)
	}

	if stack != nil && stack[resultType] {
		return nil
	}

	nextStack := make(map[reflect.Type]bool, len(stack)+1)
	for typ := range stack {
		nextStack[typ] = true
	}
	nextStack[resultType] = true

	fields := makeStructFieldsWithStack(resultType, nextStack)
	actual, _ := fieldsMap.LoadOrStore(resultType, fields)

	return actual.(*fieldsType)
}

// makeStructFields implements json/v2 style field precedence rules.
func makeStructFields(rootType reflect.Type) *fieldsType {