Back Dreiwegevergleich German Comparación a tres sentidos Spanish Comparaison trilatérale French 宇宙船演算子 Japanese Тришляхове порівняння Ukrainian 三路比较 Chinese
In computer science, a three-way comparison takes two values A and B belonging to a type with a total order and determines whether A < B, A = B, or A > B in a single operation, in accordance with the mathematical law of trichotomy.
It can be implemented in terms of a function (such as strcmp in C), a method (such as compareTo in Java), or an operator (such as the spaceship operator <=> in Perl, PHP and C++).
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