Return true if the specified lhs nullable wrapper is ordered before the specified rhs nullable object or lhs and rhs have the same value, and false otherwise. (See operator< and operator==.) Note that this function will fail to compile if LHS_TYPE and RHS_TYPE are not compatible.

Synopsis

Declared in <bdlb_nullablevalueref.h>

template<
    class LHS_TYPE,
    class RHS_TYPE>
bool
operator<=(
    ConstNullableValueRef<LHS_TYPE> const& lhs,
    ConstNullableValueRef<RHS_TYPE> const& rhs);

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