Tcl

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. Tcl

load ./chilkat.dll

# 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.

set json [new_CkJsonObject]

CkJsonObject_UpdateInt $json "lanes[-1]" 0
CkJsonObject_UpdateInt $json "lanes[]" 1
CkJsonObject_UpdateInt $json "lanes[*]" 2
CkJsonObject_UpdateInt $json "lanes[-1]" 3

puts [CkJsonObject_emit $json]

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

delete_CkJsonObject $json