noun
type conversion operator
A programming language construct that explicitly converts a value from one data type to another. Domain-specific computing term.
C++では、static_castが型変換演算子の一つです。
In C++, static_cast is one of the type conversion operators.
Compound of 型 (type), 変換 (conversion), and 演算子 (operator). A straightforward technical term with no uncertain historical derivation.