Xbase++

Append New Item to JSON Array

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Demonstrates the notations that can be used in a JSON array index to append to the end of an array. Xbase++

LOCAL oJson

//  Starting in Chilkat v9.5.0.77, the following notations are possible to specify that the value
//  should be appended to the end of the array. (In other words, if the array currenty has N elements, then "-1", "", or "*" 
//  indicate an index of N+1.

oJson := CreateObject("Chilkat.JsonObject")

oJson:UpdateInt("lanes[-1]", 0)
oJson:UpdateInt("lanes[]", 1)
oJson:UpdateInt("lanes[*]", 2)
oJson:UpdateInt("lanes[-1]", 3)

? oJson:Emit()

//  Output is:  {"lanes":[0,1,2,3]}

oJson:destroy()