Generate a date range sequence (another alternative)

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let dateRange startDate (endDate:System.DateTime) = 
   Seq.unfold (function 
      | acc when acc < endDate.AddDays(1.) -> Some(acc, acc.AddDays(1.))
      | acc when acc > endDate -> Some(acc, acc.AddDays(-1.))
      | acc -> None) startDate

// Another bit different approach:
// let generate (start:DateTime) x = 
//    [1..x] |> List.map(fun i -> start.AddDays(float i))

val dateRange : startDate:System.DateTime -> endDate:System.DateTime -> seq<System.DateTime>

Full name: Script.dateRange

val startDate : System.DateTime

val endDate : System.DateTime

namespace System

Multiple items
type DateTime =
  struct
    new : ticks:int64 -> DateTime + 10 overloads
    member Add : value:TimeSpan -> DateTime
    member AddDays : value:float -> DateTime
    member AddHours : value:float -> DateTime
    member AddMilliseconds : value:float -> DateTime
    member AddMinutes : value:float -> DateTime
    member AddMonths : months:int -> DateTime
    member AddSeconds : value:float -> DateTime
    member AddTicks : value:int64 -> DateTime
    member AddYears : value:int -> DateTime
    ...
  end

Full name: System.DateTime

--------------------
System.DateTime()
   (+0 other overloads)
System.DateTime(ticks: int64) : unit
   (+0 other overloads)
System.DateTime(ticks: int64, kind: System.DateTimeKind) : unit
   (+0 other overloads)
System.DateTime(year: int, month: int, day: int) : unit
   (+0 other overloads)
System.DateTime(year: int, month: int, day: int, calendar: System.Globalization.Calendar) : unit
   (+0 other overloads)
System.DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int) : unit
   (+0 other overloads)
System.DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int, kind: System.DateTimeKind) : unit
   (+0 other overloads)
System.DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int, calendar: System.Globalization.Calendar) : unit
   (+0 other overloads)
System.DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int, millisecond: int) : unit
   (+0 other overloads)
System.DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int, millisecond: int, kind: System.DateTimeKind) : unit
   (+0 other overloads)

module Seq

from Microsoft.FSharp.Collections

val unfold : generator:('State -> ('T * 'State) option) -> state:'State -> seq<'T>

Full name: Microsoft.FSharp.Collections.Seq.unfold

val acc : System.DateTime

System.DateTime.AddDays(value: float) : System.DateTime

union case Option.Some: Value: 'T -> Option<'T>

union case Option.None: Option<'T>