docs/vendor.js
function moveBindingIndexToReservedSlot(offset) {
    var currentSlot = viewData[BINDING_INDEX];
    viewData[BINDING_INDEX] = tView.bindingStartIndex - offset;
    return currentSlot;
}
function moveBindingIndexToReservedSlot(offset) {
    var currentSlot = viewData[BINDING_INDEX];
    viewData[BINDING_INDEX] = tView.bindingStartIndex - offset;
    return currentSlot;
}
function moveBindingIndexToReservedSlot ( offset ) { var currentSlot = viewData [ BINDING_INDEX ] ; viewData [ BINDING_INDEX ] = tView . bindingStartIndex - offset ; return currentSlot ; }
Sets up the binding index before executing any `pureFunctionX` instructions.

The index must be restored after the pure function is executed

{@link reserveSlots}
Sets up the binding index before executing any pureFunctionX instructions .