Yurttas/PL/SL/perl/F/03/index page
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Dr. Salih Yurttas - yurttas@zcubes.com
programming languages - design principles, implementation constructs
perl
- subroutines (functions, methods)
to declare without definition :
sub NAME
sub NAME PROTO
sub NAME ATTRS
sub NAME PROTO ATTRS
to declare with definition, BLOCK is added :
sub NAME BLOCK
sub NAME PROTO BLOCK
sub NAME ATTRS BLOCK
sub NAME PROTO ATTRS BLOCK
to create anonymous subroutine or closure, NAME is omitted :
sub BLOCK
sub PROTO BLOCK
sub ATTRS BLOCK
sub PROTO ATTRS BLOCK
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