noun
class condition
Computing term referring to a condition that tests membership in a class or category, often used in programming and formal logic contexts.
このプログラムでは、字類条件を使ってオブジェクトの型を判定している。
This program uses a class condition to determine the type of an object.
Compound of 字類 (class, category) and 条件 (condition). The exact origin is uncertain; it appears to be a technical term formed within computing contexts.