If a precondition is violated, the effect of the section of code becomes undefined and thus may or may not carry out its intended work. Security problems can arise due to incorrect preconditions.
Often, preconditions are simply included in the documentation of the affected section of code. Preconditions are sometimes tested using assertions within the code itself, and some languages have specific syntactic constructions for doing so.
For example: the factorial is only defined for integers greater than or equal to zero. So a program that calculates the factorial of an input number would have preconditions that the number be an integer and that it be greater than or equal to zero.
Azerbaijan’s PresidentIlham Aliyev, on the first anniversary of his country’s attacks on Artsakh, once again, made threats against Armenia, while Ankara said it will continue to impose precondition on Yerevan to accept Azerbaijan’s sovereignty in return for normalization of relations.
Israel is prepared to have direct talks with Palestine without any preconditions, Israel's ambassador to the United States, Gilad Erdan, told Sputnik... "We always call for directs talks with the Palestinian authority for years but without preconditions but they refuse," Erdan said when asked whether Israel is ready for direct talks with Palestine.
YEREVAN (Azatutyun.am)—The Armenian government still hopes to normalize Armenia’s relations with Turkey despite apparent preconditions set by Ankara, a senior official in Yerevan said on Friday ... Asked about the apparent Turkish preconditions, Grigoryan said ... So we hope that the normalization of relations will be without preconditions.”.
South Korea and Australia have urged North Korea to return to talks "without preconditions," stressing that diplomacy and dialogue are essential to bringing peace on the Korean Peninsula... to engage in meaningful dialogue without preconditions," said the statement released Tuesday.
“It means that if a child fails to run an errand for his/her parents, that child should not be denied the right to education, healthcare, food, shelter, and clothing among others”, he explained ... He advised the teachers and students against stereotyping gender roles to create space for men and women to complement each other for a better society ... GNA. .