Understanding and using Function Currying for AS3 and javascript developers.

1. Understanding
Function Currying
Javascript / AS3
Thomas Burleson
Digital Solutions Architect
Sunday, April 29, 12

2. Anonymous Functions
Closures
Function Currying
Partial Applications
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3. Function Currying:
Combine function with variables to create new function.
Variables are cached [captured] as function arguments
Outer variables are accessed via closure scope by inner Function
Sunday, April 29, 12

4. But how/why do we use Function Currying
Explore existing Javascript code
Refactor code (to remove verbosity)
Apply DRY concept
Concise Code, Easy Maintenance
Sunday, April 29, 12

5. Refactoring with DRY
Existing Code
Anonymous Functions
Closures
Function Currying
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6. REST Service (asynchronous)
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7. Not DRY
Verbose!
Difficult to maintain
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8. Uses 'function currying'
at two (2) levels :
onSuccess()
forClass()
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9. Video Tutorial (click to run)
(click to download)
Source Code
Sunday, April 29, 12