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057a18573a
Implements the new `module` header syntax as described in "module and package changes" [1]: ``` module [Request, Response, req] ``` The old syntax should still work fine, and is automatically upgraded to the new one when running `roc format`. [1] https://docs.google.com/document/d/1E_77fO-44BtoBtXoVeWyGh1xN2KRTWTu8q6i25RNNx0/edit
15 lines
304 B
Text
15 lines
304 B
Text
module [Action, none, update, map]
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Action state : [None, Update state]
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none : Action *
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none = None
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update : state -> Action state
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update = Update
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map : Action a, (a -> b) -> Action b
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map = \action, transform ->
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when action is
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None -> None
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Update state -> Update (transform state)
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