Return true if the specified lhs and rhs objects do not have the same value, and false otherwise. A nullable object and a value of some type do not have the same value if either the nullable object is null, or its underlying value does not compare equal to the other value. Note that this function will fail to compile if LHS_TYPE and RHS_TYPE are not compatible.

Synopsis

Declared in <bdlb_nullablevalue.h>

template<
    class LHS_TYPE,
    class RHS_TYPE>
bool
operator!=(
    NullableValue<LHS_TYPE> const& lhs,
    RHS_TYPE const& rhs)
requires (!NullableValue_DerivedFromOptional<RHS_TYPE>) &&
    requires { { *lhs != rhs } ‐> NullableValue_ConvertibleToBool; };

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