lteqv method
Returns true if x <= y, false otherwise.
Implementation
bool lteqv(T x, T y) {
final c = partialCompare(x, y);
return c != null && c <= 0;
}
Returns true if x <= y, false otherwise.
bool lteqv(T x, T y) {
final c = partialCompare(x, y);
return c != null && c <= 0;
}