[#mp_units-operator_eq-037]
= xref:mp_units.adoc[mp_units]::operator==
:relfileprefix: ../
:mrdocs:

Equality operator

== Synopsis

Declared in `<mp‐units/framework/quantity.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    std::derived_from<quantity> Q,
    xref:mp_units/RepresentationOf.adoc[RepresentationOf<quantity_spec>] Value>
requires detail::DimensionlessOne<Q::reference> && std::equality_comparable_with<rep, Value>
[[nodiscard]]
constexpr
bool
operator==(
    Q const& lhs,
    Value const& rhs);
----

== Return Value

`true` if the objects are equal, `false` otherwise

== Parameters

[cols=2]
|===
| Name
| Description
| *lhs*
| The left operand
| *rhs*
| The right operand
|===


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