Hello,
I'm having a hard time figuring out if it's possible to return a function
but having different structs as the return type.
I'm talking to a REST API that does something like this:
GET /endpoint?option=1
{
"fieldA": 1,
"fieldB": 2
}
GET /endpoint?option=2
{
"fieldA": 1,
"fieldC": 3
}
So I have a golang code like this.
type FirstOption struct {
FieldA string `json:"fieldA,omitempty"`
FieldB string `json:"fieldB,omitempty"`
}
type SecondOption struct {
FieldA string `json:"fieldA,omitempty"`
FieldC string `json:"fieldC,omitempty"`
}
I would normally do something like this:
func (option string) FirstOption { //I know this line is bad because I
might want to return SecondOption
// Do request, unmarshall json to FirstOption or SecondOption depending on
the option string variable
}
But I need to know if it's possible to return either FirstOption or
SecondOption, haven't figure out if it's possible or not and can't find a
good solution in Google.
I could probably make a struct that actually mixes SecondOption and
FirstOption using the omitempty keyword, but I'm not really fond of that
solution.
Thanks for the help,
-- Jose
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