Class: SmallIdentityDictionary

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• Description
• Related information
• Instance protocol
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Inheritance:

   Object
   |
   +--Collection
      |
      +--KeyedCollection
         |
         +--SmallDictionary
            |
            +--SmallIdentityDictionary

Package:

stx:libbasic

Category:

Collections-Unordered

Version:

rev: 1.3 date: 2023/08/01 08:34:01

user: stefan

file: SmallIdentityDictionary.st directory: libbasic

module: stx stc-classLibrary: libbasic

Author:

Stefan Vogel

Description:

documentation to be added.

class:
    <a short class summary here, describing what instances represent>

responsibilities:    
    <describing what my main role is>

collaborators:    
    <describing with whom and how I talk to>

API:
    <public api and main messages>
    
example:
    <a one-line examples on how to use - can also be in a separate example method>

implementation:
    <implementation points>


[instance variables:]

[class variables:]

Related information:

Instance protocol:

 = aSmallIdentityDictionary

return true, if the argument is an IdentityDictionary containing the same
key-value pairs as I do

 indexOfKeyInArray: aKey

return the index of aKey

 indexOfKey: aKey

return the index of aKey

Examples:

Creation timing:

{SmallIdentityDictionary. IdentityDictionary. OrderedDictionary} do:[:eachClass|
    |keys values dict time|

    keys := #(aaaaa  bbbb cccc dddd ffff gggg hhhh jjjj kkkk llll).
    values := #(1 2 3 4 5 6 7 8 9 10).


    time := TimeDuration toRun:[
        1000000 timesRepeat:[
            dict := eachClass withKeys:keys andValues:values.
        ]
    ].
    Transcript showCR:(eachClass name, ' time: ', time printString).
]


Access timing:

{SmallIdentityDictionary. IdentityDictionary. OrderedDictionary} do:[:eachClass|
    |keys values dict time|

    keys := #(aaaaa  bbbb cccc dddd ffff gggg hhhh jjjj kkkk llll).
    values := #(1 2 3 4 5 6 7 8 9 10).

    dict := eachClass withKeys:keys andValues:values.

    time := TimeDuration toRun:[
        1000000 timesRepeat:[
            1 to:keys size do:[:idx|
                dict at:(keys at:idx)
            ]
        ]
    ].
    Transcript showCR:(eachClass name, ' time: ', time printString).
]