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common • net.kernelpanicsoft.archie.gui.modifiers • Modifier • foldIn

foldIn

abstract fun <R> foldIn(initial: R, operation: (R, Modifier.Element<*>) -> R): R

Accumulates a value starting with initial and applying operation to the current value and each element from outside in.

Elements wrap one another in a chain from left to right; an Element that appears to the left of another in a `+` expression or in operation's parameter order affects all of the elements that appear after it. foldIn may be used to accumulate a value starting from the parent or head of the modifier chain to the final wrapped child.