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Pragma that disables unsafe opcodes during compilation. Can also be used to specify opcodes to be disabled. Generally used with the -M option on the command line:
perl -Mops=:default ... # Allow only reasonably safe operations perl -M-ops=system ... # Disable system opcode
See the Opcode module for more information.
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| 8.167. Opcode |  | 8.169. overload |
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