Editing 754: Dependencies
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==Explanation== | ==Explanation== | ||
− | A compiler is a program that converts code written in a | + | A compiler is a program that converts code, written in a particular programming language, into an executable program. A section of code is said to be dependent on a second segment of code if the results of the first segment are potentially impacted by the second segment. Dependency resolution is part of compiler design, and is the study of determining and correcting dependencies which result in an unwanted, ambiguous, or impossible definition of the dependent section. Requiring that an action occurs if and only if the action has already occurred, like the prerequisite in this comic, is one type of potentially unwanted dependency. |
The comic envisions a college computer science course (CPSC432) focusing on "compiler design with dependency resolution" which has itself as a prerequisite. The joke is that the prerequisite is an unresolved dependency, as you must complete this course before you can enroll in it, a phenomenon called {{w|Catch-22 (logic)|Catch-22}}. | The comic envisions a college computer science course (CPSC432) focusing on "compiler design with dependency resolution" which has itself as a prerequisite. The joke is that the prerequisite is an unresolved dependency, as you must complete this course before you can enroll in it, a phenomenon called {{w|Catch-22 (logic)|Catch-22}}. | ||
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:[A portion of a page from an imaginary course catalog.] | :[A portion of a page from an imaginary course catalog.] | ||
:Page 3 | :Page 3 | ||
+ | :{| class="wikitable" | | ||
+ | |Department | ||
+ | |Course | ||
+ | |Description | ||
+ | |Prereqs | ||
+ | |- | ||
+ | |Computer science | ||
+ | |CPSC 432 | ||
+ | |Intermediate compiler | ||
+ | design, with a focus on | ||
− | + | dependency resolution | |
− | + | |CPSC 432 | |
− | + | |} | |
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:[The very top of the text for the next course in the table is visible but unreadable.] | :[The very top of the text for the next course in the table is visible but unreadable.] | ||