Unicode C

Append New Item to JSON Array

See more JSON Examples

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

#include <C_CkJsonObjectW.h>

void ChilkatSample(void)
    {
    HCkJsonObjectW json;

    // 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.

    json = CkJsonObjectW_Create();

    CkJsonObjectW_UpdateInt(json,L"lanes[-1]",0);
    CkJsonObjectW_UpdateInt(json,L"lanes[]",1);
    CkJsonObjectW_UpdateInt(json,L"lanes[*]",2);
    CkJsonObjectW_UpdateInt(json,L"lanes[-1]",3);

    wprintf(L"%s\n",CkJsonObjectW_emit(json));

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


    CkJsonObjectW_Dispose(json);

    }