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Page last modified 10:19, 6 May 2008 by vivieny
MindTouch Community Portal > MindTouch Community Portal > Documentation > DekiScript > Reference > DekiScript Functions and Variables > Map.Apply
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Map.Apply

    Table of contents
    1. 1. Usage Restrictions
    2. 2. Parameters
    3. 3. Result
    4. 4. Samples
    map.Apply( map :  map, expression : str) : map

    Create a new map by applying the expression to each key value pair.

    Usage Restrictions

    1.9.1 or later

    Parameters

    Name Type Description
    map
    		 map
    		 the map value
    expression
    		 str
    		 the expression that will be applied to the key value pair

    Result

    A map with the specified expression applied to the key value pair.

    (NOTE:  You cannot change keys once you have created them, therefore, if you try to change the keys using map.apply, it
    will complete the given expression. But instead of changing the key, it will put the new expression in the value.)

    Samples


    		 Output

    to apply an expression to a map: 

    {{map.apply({one:1,two:2}, "$.value*2") }}

     

    { one : 2, two : 4 }

    to apply an expression to a map: 

    {{ map.apply({one:1,two:2}, "$.key..'_test'") }}

     

    { one : "one_test", two : "two_test" }
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