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Make "last" (and similar variables) read-only #3226

Merged
merged 2 commits into from
Jan 27, 2019
Merged

Make "last" (and similar variables) read-only #3226

merged 2 commits into from
Jan 27, 2019

Commits on Jan 25, 2019

  1. Add UpdateStat to allow writing to special variables like 'last'. 

    A very subtle mistake in GAP is for users to use the variables
'last' or 'time', as GAP automatically rewrites these variables
after every statement. Add a special function 'UpdateStat' for
changing these variables, so we can disable 'last := x;'
    @ChrisJefferson
    ChrisJefferson committed Jan 25, 2019
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  2. Disable writing to 'last','last2','last3','time','memory_allocated'

    @ChrisJefferson
    ChrisJefferson committed Jan 25, 2019
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