noun
identity operation
Computing term for an operation that returns its operand unchanged, such as a no-op or identity function.
一致演算は、入力値をそのまま出力する。
The identity operation outputs the input value unchanged.
このプログラムでは、一致演算を使ってデータをそのまま渡している。
In this program, the identity operation is used to pass data through unchanged.
Compound of 一致 (identity, agreement) and 演算 (operation, calculation). The exact derivation is uncertain; the term is used in computing contexts.