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    Class HisItem

    HisItem is a timestamp/value pair.

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    type$

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    _id compare dis each eachWhile equals get has hash id isEmpty isImmutable map missing toImmutable toStr trap ts typeof val with echo make

    Constructors

    Properties

    type$: Type

    Methods

    _id

    • _id(): Ref

      Temp shim until we break backward compatibility

      Returns Ref

    • Ordering is based on timestamp.

      Parameters

      Returns number

    • Get display string for dict or the given tag. If name is null, then return display text for the entire dict using Etc.dictToDis. If name is non-null then format the tag value using its appropiate toLocale method. If name is not defined by this dict, then return def.

      Parameters

      • Optionalname: string
      • Optionaldef: string

      Returns string

    • Iterate through the name/value pairs

      Parameters

      • f: (arg0: JsObj, arg1: string) => void

      Returns void

    • Iterate through the name/value pairs until the given function returns non-null, then break the iteration and return resulting object. Return null if function returns null for every name/value pair.

      Parameters

      Returns JsObj

    • Equality is based on timestamp and value.

      Parameters

      Returns boolean

    • Get the value for the given name or def if name not mapped

      Parameters

      • name: string
      • Optionaldef: JsObj

      Returns JsObj

    • Return true if the given name is mapped to a non-null value.

      Parameters

      • name: string

      Returns boolean

    • Hash code is based on timestamp and value.

      Returns number

    • Get the id tag as a Ref or raise CastErr/UnknownNameErr

      Returns Ref

    • Return if the there are no name/value pairs

      Returns boolean

    • Return if this Obj is immutable and safe to share between threads:

      • an instance of a const class
      • the result of toImmutable on List, Map, or Buf
      • a Func object may or may not be immutable - see sys::Func.
      • other instances are assumed mutable and return false

      Returns boolean

    • Create a new instance of this dict with the same names, but apply the specified closure to generate new values.

      Parameters

      Returns this

    • Return true if the given name is not mapped to a non-null value.

      Parameters

      • name: string

      Returns boolean

    • Get an immutable representation of this instance or throw NotImmutableErr if this object cannot be represented as an immutable:

      • if type is const, return this
      • if already an immutable List, Map, Buf, or Func return this
      • if a List, then attempt to perform a deep clone by calling toImmutable on all items
      • if a Map, then attempt to perform a deep clone by calling toImmutable on all values (keys are already immutable)
      • some Funcs can be made immutable - see sys::Func
      • if a Buf create immutable copy, see sys::Buf
      • any other object throws NotImmutableErr

      Returns Readonly<this>

    • Return string for debugging only

      Returns string

    • Trap a dynamic call for handling. Dynamic calls are invoked with the -> shortcut operator:

      a->x        a.trap("x", null)
      a->x()      a.trap("x", null)
      a->x = b    a.trap("x", [b])
      a->x(b)     a.trap("x", [b])
      a->x(b, c)  a.trap("x", [b, c])

      The default implementation provided by Obj attempts to use reflection. If name maps to a method, it is invoked with the specified arguments. If name maps to a field and args.size is zero, get the field. If name maps to a field and args.size is one, set the field and return args[0]. Otherwise throw UnknownSlotErr.

      Parameters

      Returns JsObj

    • Timestamp of the history record.

      Returns DateTime

    • Get the Type instance which represents this object's class. Also seeType.of or Pod.of.

      Returns Type

    • Value at the timestamp.

      Returns JsObj

    • This method called whenever an it-block is applied to an object. The default implementation calls the function with this, and then returns this.

      Parameters

      • f: (arg0: this) => void

      Returns this

    • Write x.toStr to standard output followed by newline. If x is null then print "null". If no argument is provided then print an empty line.

      Parameters

      Returns void

    • Construct timestamp/value pair.

      Parameters

      Returns HisItem

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