Multidimensional array issue

[Sean Cole (Pi)]

In the message box:



> put "data" into tArray["key1"]["key2"]; answer the value of tArray["key1”]
> - returns EMPTY (so this works)

Correct

put "data" into tArray["key1"]["key2"]; answer tArray["key1”] is empty -
> returns FALSE (it should return true IMHO)

Because it is not empty. It has a nested array in it. If it where empty
(TRUE) then it would be void of all data of all types.

put "data" into tArray["key1"]["key2"]; answer tArray["key1”] is an array -
> returns TRUE (so not helpful)

tArray is an array;
tArray["key1"] is an array (because it has ["key2"] within;
tArray["key1"]["key2"] is not an array (unless you put an array into it)

To make this clearer:

put "hello" into tArray    -- tArray is not an array

put tArray; // returns "hello"

tArray contains a value = true

tArray is empty = false  --  it contains a value
tArray["key1"] is empty = true  --  it does not exist
tArray["key1"]["key2"] is empty = true  --  it does not exist


put "hello" into tArray["key1"]    -- tArray is an array ; tArray["key1"]
is not an array

put tArray; // returns empty

put tArray["key1"]; // returns "hello"

tArray contains a value = false
tArray["key1"] contains a value = true
tArray is empty = false  --  it contains an array
tArray["key1"] is empty = false  --  it contains a value

tArray["key1"]["key2"] is empty = true  --  it does not exist


put "hello" into tArray["key1"]["key2"]    -- ttArray is an array
; tArray["key1"] is an array ; tArray["key1"]["key2"] is not an array

put tArray; // returns empty

put tArray["key1"]; // returns empty
put tArray["key1"]["key2"]; // returns "hello"

tArray contains a value = false
tArray["key1"] contains a value = false
tArray["key1"]["key2"] contains a value = true
tArray is empty = false  --  it contains an array
tArray["key1"] is empty = false  --  it contains an array
tArray["key1"]["key2"] is empty = false  --  it contains a value

put "hello" into tArray    -- tArray is not an array; it has been reset to
a value nullifying it's array status and values

put tArray; // returns "hello"

tArray contains a value = true

tArray is empty = false  --  it contains a value
tArray["key1"] is empty = true  --  it does not exist
tArray["key1"]["key2"] is empty = true  --  it does not exist

put "hello" into tArray
put "hello" into tArray["key2"]
put tArray into tArray["key1"]
tArray =

["key1"] > ["key2"] > "hello"
["key2"] > "hello"

That just about covers it. Unless I go into super sub arrays to really blow
your mind (tArray["key1","key1.1"]["key2","key2.1"])

Sean