January 2017
Intermediate to advanced
338 pages
7h 51m
English
Content preview from F# High PerformanceBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Comparing F# Map to Dictionary<TKey,TValue>
F# Map is equal to .NET BCL Dictionary<TKey,TValue> conceptually because they both implement .NET IDictionary<TKey,TValue>. But F# Map is semantically different from Dictionary<TKey,TValue>.
Note
Please do not confuse F# Map as type with F# Map as a module. F# Map as a module is called Map. From outside, it is called by referencing to the namespace of FSharp.Collection.Map module. The F# Map as a type is available from outside F#. The name is called FSharpMap.
From the performance perspective, it is still faster because of its immutability behavior.
From the correctness perspective, F# Map is enforcing us to be more correct because of the constrained key and value of the generic type parameter.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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