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[ pair->first ]

Method

The [pair->first] method returns the first element of a pair.

The pair data type is usually used within an array to store a sequence of name/value pairs. The [map->get] method also returns elements of type pair.

  • Syntax
pair->first
Examples
  • Beginner

To return the first element of a pair:

Use the [pair->first] method. The following example iterates through an array of pairs and returns the first element from each.

Code

var( someGuy = array( 'First Name' = 'John', 'Last_Name' = 'Doe', 'Sex' = 'Male', 'Height' = '188cm') )

with p in $someGuy
     do => {^
          #p->first+'\n'
     ^}

Result

First Name
Last_Name
Sex
Height

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