package lwt_react
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Events with option occurences.
val some : 'a React.event -> 'a option React.eventsome e is map (fun v -> Some v) e.
val value : ?default:'a React.signal -> 'a option React.event -> 'a React.eventvalue default e either silences None occurences if default is unspecified or replaces them by the value of default at the occurence time.
- [
value ~default e]t= vif [e]t= Some (Some v). - [
value ?default:None e]t= Noneif [e]t =None. - [
value ?default:(Some s) e]t= vif [e]t =Noneand [s]t= v.