https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/util/function/IntToDoubleFunction.html
IntToDoubleFunction (Java SE 24 & JDK 24)
declaration: module: java.base, package: java.util.function, interface: IntToDoubleFunction
java sejdk
https://developers.google.com/j2objc/javadoc/jre/reference/java/util/function/IntToDoubleFunction
IntToDoubleFunction | J2ObjC | Google for Developers
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