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FunctionApplicationOperator.md (344B)

      1 # Function Application Operator
      2 
      3 **Source:** Effective Haskell
      4 
      5 **Chapter:** 1
      6 
      7 **Definition:** The function application operator ($) sends the result of a function to the input of another function.
      8 
      9 ## Example
     10 
     11 ```haskell
     12 
     13 addOne num = num + 1
     14 timesTwo num = num * 2
     15 
     16 -- These are both identical.
     17 
     18 addOne (timesTwo 2)
     19 addOne $ timesTwo 2
     20 
     21 ```