itemLE<T extends Comparable<T> > function
Implementation
@Deprecated('Use List extension methods') // since 2021-11
T? itemLE<T extends Comparable<T>>(List<T> a, T x, {bool dontPanic = false}) {
final index = indexOfLE(a, x, dontPanic: dontPanic);
return index == null ? null : a[index];
}