Lessons
Perl · Expert
Perl · Expert. Ten lessons. Open-book quizzes. Lesson 1 free.
10 lessons · The Host · Lesson 1 free
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Lesson 1 · On the house
Typeglobs and symbol tables
*name; *FOO{SCALAR}; stash slots.
Lesson 2
Soft refs and weaken
Symbolic refs; Scalar::Util::weaken; refcounts.
Lesson 3
Operator overloading
use overload; "" <=> + fallback.
Lesson 4
tie interface
TIESCALAR / TIEHASH; FETCH STORE; tied().
Lesson 5
AUTOLOAD and UNIVERSAL
Missing-method dispatch; isa/can/DOES/VERSION.
Lesson 6
Compile phases
BEGIN CHECK INIT END UNITCHECK order.
Lesson 7
Pack and unpack
Binary templates; N/n/a/A/H; repeat counts.
Lesson 8
Threads and shared
threads->create; threads::shared; lock; join.
Lesson 9
Dualvars and Scalar::Util
dualvar; looks_like_number; blessed; refaddr.
Lesson 10
Expert capstone
Typeglob alias, overload, weaken, pack, Scalar::Util.
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