Language Changes

The following table summarises the main changes to language features in Version 19.0.

Function/Operator Description Change
⎕TALLOC Allocate Token Range New system function
2000⌶ Memory Management Statistics Extended I-beam function
219⌶ Compress Vector of Short Integers Extended I-beam function
1302⌶ Set aplcore Parameters New I-beam function
3012⌶ Enable Compression of Large Components New I-beam function
5171⌶ Discard Source Information New I-beam function
5172⌶ Discard Source Code New I-beam function
8468⌶ Hash Table Size New I-beam function
8469⌶ Lookup Table Size New I-beam function
⎕NCOPY Native File Copy New ProgressCallback variant
⎕NMOVE Native File Move New ProgressCallback variant
⎕FHOLD File Hold New left argument to specify a time-out
⎕SIGNAL Signal event Now accepts 1006 ( TIMEOUT error)