Oh?

use constant FOO => { x => 0 };
print FOO->{x}; # 0
++ FOO->{x};
print FOO->{x}; # 1

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Readonly also makes sure your entire data structure is readonly. constant only does that to the topmost level.

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In reply to Re^3: OOP - Constant Vs. Subroutine by diotalevi
in thread OOP - Constant Vs. Subroutine by 2xlp

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