//// Automatically generated by PainlessDocGenerator. Do not edit. Rebuild by running `gradle generatePainlessApi`. //// [[painless-api-reference-DoubleFunction]]++DoubleFunction++:: * ++[[painless-api-reference-DoubleFunction-apply-1]]def link:{java8-javadoc}/java/util/function/DoubleFunction.html#apply%2Ddouble%2D[apply](double)++ (link:{java9-javadoc}/java/util/function/DoubleFunction.html#apply%2Ddouble%2D[java 9]) * Inherits methods from ++<>++