Summary
This lesson summarizes the concepts covered in this chapter.
We'll cover the following
Chapter summary
-
The garbage collector scans the memory at unspecified times, determines the objects that cannot possibly be reached by the program, destroys them, and reclaims their memory locations.
-
The operations of the
GC
may be controlled by the programmer to some extent byGC.collect
,GC.disable
,GC.enable
,GC.minimize
, etc. -
GC.calloc
and other functions reserve memory,GC.realloc
extends a previously allocated memory area, andGC.free
returns it back to theGC
. -
It is possible to mark the allocated memory by attributes like
GC.BlkAttr.NO_SCAN
,GC.BlkAttr.NO_INTERIOR
, etc. -
The
.alignof
property is the default memory alignment of a type. Alignment must be obtained byclassInstanceAlignment
for class objects. -
The
.offsetof
property is the number of bytes a member is from the beginning of the object that it is a part of. -
The align attribute specifies the alignment of a variable, a user-defined type, or a member.
-
destroy()
executes the destructor of objects. One must destroy the struct pointee, not the struct pointer. -
Object.factory()
constructs objects with their fully qualified type names.
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