In computer programming languages the term “default constructor” refers to a constructor that is automatically generated in the absence of explicit constructors (and perhaps under other circumstances); this automatically provided constructor is usually a nullary constructor. In specification or discussion of some languages, “default constructor” may additionally refer to any constructor that may be called without arguments. Two cases arise here: either it is a nullary constructor or all of its parameters have default values.
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“In default of inexhaustible happiness, eternal suffering would at least give us a destiny. But we do not even have that consolation, and our worst agonies come to an end one day.”
—Albert Camus (19131960)