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huia/packages/core/result/none.huia
James Harton 96677aa499 Start writing some ideas for how things might work in Huia.
I know this is dumb, but it's the best way for be to crystalise my thoughts about how this will work.
2018-08-29 12:46:07 +12:00

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deftype Result.None, value: Any, as: ->
defstatic <Result.None> new as: ->
Result.None { }
end
end
defimpl Result, for: Result.None, as: ->
def ok? as: -> true
def error? as: -> false
def <Any> unwrap as: ->
Huia.Primitive.panic_process("Attempt to unwrap none")
end
def <Any> expect message: String, as: ->
Huia.Primitive.panic_process(Error.new(message: message))
end
end