Sorry but you're wrong, look closely:

$ perl -we 'use constant WD => qw{Sun Mon}; print (WD)[1]'
print (...) interpreted as function at -e line 1.
syntax error at -e line 1, near ")["
Execution of -e aborted due to compilation errors.
$ perl -we 'use constant WD => qw{Sun Mon}; print  (WD)[1]'
syntax error at -e line 1, near ")["
Execution of -e aborted due to compilation errors.

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In reply to Re^3: use constant module (was moudle) by Anonymous Monk
in thread use constant module by Hosen1989

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