Access patterns
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B03 Clojure Language Basics
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Variables and scope
Global Scope
Let and Function Argument Scope
Dynamic Scope
1
Scope problems diagnosed
Namespaces
Clojure Namespace Declarations
Navigating Namespaces at the REPL
Syntax
for comprehensions
Clojure Function Syntax
6
Collections
Introduction to Clojure's Collections
Data structures
Vector collection
HashMap collection
Set collection
2
List collection
Queue collection
Sorted Map collection
Sorted Set collection
Access patterns
Sequential Access Pattern
1
Remembering Duplicates Access Pattern
Lookup by key Access Pattern
Associate key and value Access Pattern
Dissociate a key and value Access Pattern
Count the elements Access Pattern
Equality Comparison Access Pattern
Removing an item from a set Access Pattern
Splitting a sequence Access Pattern
Containment Check Access Pattern
First-in, first-out Access Pattern
Last-in, First-out Access Pattern
Usage patterns
Entity Usage Pattern
10
Index Usage Pattern
Tuple Usage Pattern
Multi-comparison Usage Pattern
Transients
Usage in an Atom
Hybrid Collections
Hybrid Types
3
Vectors and Lists in syntax
Lazy sequences
Collections vs sequences
Lazy sequences
What are lazy sequences?
Gotcha: Effects and chunking
Gotcha: *print-length*
Gotcha: holding onto the head
Gotcha: length checks
The Benefits of Laziness
2
Destructuring
Introduction
Sequences
Maps Part 1
Maps Part 2
1
Keyword Arguments
Where to Destructure
Nested Destructuring
Destructuring Examples
Concurrency
Delay
Promise
Future
Deref
Keeping state consistent with Atoms
Sharing state among many threads: Atoms
Ref
Vars
Agents
Locking
Core Async
Threads
ExecutorService
ForkJoin
Reducers
Protocols
What Problems do Clojure Protocols Solve?
How to define protocols
Protocols for Easy Type Conversion
Defining a DSL with Protocols
1
Building a Component Clone