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Merge pull request #3222 from lbragaglia/patch-1
[fsharp/en] Add note on equality operator
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@ -34,7 +34,7 @@ let myFloat = 3.14
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let myString = "hello" // note that no types needed
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// ------ Lists ------
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let twoToFive = [2; 3; 4; 5] // Square brackets create a list with
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let twoToFive = [2; 3; 4; 5] // Square brackets create a list with
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// semicolon delimiters.
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let oneToFive = 1 :: twoToFive // :: creates list with new 1st element
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// The result is [1; 2; 3; 4; 5]
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@ -53,7 +53,8 @@ add 2 3 // Now run the function.
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// to define a multiline function, just use indents. No semicolons needed.
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let evens list =
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let isEven x = x % 2 = 0 // Define "isEven" as a sub function
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let isEven x = x % 2 = 0 // Define "isEven" as a sub function. Note
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// that equality operator is single char "=".
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List.filter isEven list // List.filter is a library function
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// with two parameters: a boolean function
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// and a list to work on
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