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    Class MNameDict

    MNameDict is used to wrap a NameDict so it can be a haystack::Dict. Eventually once we get rid of haystack::Dict this class can go away.

    Hierarchy (View Summary)

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    Properties

    type$

    Methods

    _id compare dis each eachWhile equals get has hash id isEmpty isImmutable map missing toImmutable toStr trap typeof with wrapped echo empty wrap

    Constructors

    Properties

    type$: Type

    Methods

    _id

    • _id(): Ref

      Temp shim until we break backward compatibility

      Returns Ref

    • Return a negative integer, zero, or a positive integer if this object is less than, equal to, or greater than the specified object:

      this < that   =>  <0
      this == that  =>  0
      this > that   =>  >0

      This method may also be accessed via the < <= <=> >= and > shortcut operators. If not overridden the default implementation compares the toStr representations. Also see docLang.

      Examples:

      3.compare(8)  =>  -1
      8.compare(3)  =>  1
      8.compare(8)  =>  0
      3 <=> 8       =>  -1  // shortcut for 3.compare(8)

      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

    • Compare this object to the specified for equality. This method may be accessed via the == and != shortcut operators. If not overridden the default implementation compares for reference equality using the === operator. If this method is overridden, then hash() must also be overridden such that any two objects which return true for equals() must return the same value for hash(). This method must accept null and return false.

      Parameters

      Returns boolean

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

      Parameters

      • n: string
      • Optionaldef: JsObj

      Returns JsObj

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

      Parameters

      • n: string

      Returns boolean

    • Return a unique hashcode for this object. If a class overrides hash() then it must ensure if equals() returns true for any two objects then they have same hash code.

      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

      • n: 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

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

      Returns Type

    • 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

    • Returns NameDict

    • 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

    • Returns MNameDict

    • Parameters

      • wrapped: NameDict
      • ...args: unknown[]

      Returns MNameDict

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