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resources: Panic if attempting to register a duplicate resource

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Don't silently let this overwrite pass. It would mean a mistake.
This commit is contained in:
James Shubin
2017-06-07 03:15:06 -04:00
parent b8ff6938df
commit 7ac94bbf5f
1 changed files with 3 additions and 0 deletions
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3
resources/resources.go
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@@ -45,6 +45,9 @@ var registeredResources = map[string]func() Res{}
// RegisterResource registers a new resource by providing a constructor // RegisterResource registers a new resource by providing a constructor
// function that returns a resource object ready to be unmarshalled from YAML. // function that returns a resource object ready to be unmarshalled from YAML.
func RegisterResource(kind string, fn func() Res) { func RegisterResource(kind string, fn func() Res) {
if _, ok := registeredResources[kind]; ok {
panic(fmt.Sprintf("a resource kind of %s is already registered", kind))
}
gob.Register(fn()) gob.Register(fn())
registeredResources[kind] = fn registeredResources[kind] = fn
} }