[#absl-MakeConstSpan-0ee]
= xref:absl.adoc[absl]::MakeConstSpan
:relfileprefix: ../
:mrdocs:

`MakeConstSpan` overloads

== Synopses

Declared in `<absl/types/span.h>`

Constructs a `Span<const T>` from a view container.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    int& ExplicitArgumentBarrier...,
    typename C>
constexpr
decltype(MakeSpan(c))
xref:absl/MakeConstSpan-0d.adoc[MakeConstSpan](C const& c) noexcept
requires span_internal::IsView<C>::value;
----

[.small]#xref:absl/MakeConstSpan-0d.adoc[_» more..._]#

Constructs a `Span<const T>` from a non‐view container.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    int& ExplicitArgumentBarrier...,
    typename C>
constexpr
decltype(MakeSpan(c))
xref:absl/MakeConstSpan-0c.adoc[MakeConstSpan](C const& c) noexcept
requires !span_internal::IsView<C>::value;
----

[.small]#xref:absl/MakeConstSpan-0c.adoc[_» more..._]#

Constructs a `Span<const T>` from a non‐view container.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    int& ExplicitArgumentBarrier...,
    typename C>
constexpr
decltype(MakeSpan(c))
xref:absl/MakeConstSpan-0ec.adoc[MakeConstSpan](C const& c) noexcept
requires !span_internal::IsView<C>::value;
----

[.small]#xref:absl/MakeConstSpan-0ec.adoc[_» more..._]#

Constructs a `Span<const T>` from a C array.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    int& ExplicitArgumentBarrier...,
    typename T,
    size_t N>
constexpr
xref:absl/Span.adoc[Span<T const>]
xref:absl/MakeConstSpan-06.adoc[MakeConstSpan](T const(& array)[]) noexcept;
----

[.small]#xref:absl/MakeConstSpan-06.adoc[_» more..._]#

Constructs a `Span<const T>` from a `[begin, end)]` pointer pair.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    int& ExplicitArgumentBarrier...,
    typename T>
xref:absl/Span.adoc[Span<T const>]
xref:absl/MakeConstSpan-07.adoc[MakeConstSpan](
    T* begin,
    T* end) noexcept;
----

[.small]#xref:absl/MakeConstSpan-07.adoc[_» more..._]#

Constructs a `Span<const T>` from a pointer and a size.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    int& ExplicitArgumentBarrier...,
    typename T>
constexpr
xref:absl/Span.adoc[Span<T const>]
xref:absl/MakeConstSpan-05.adoc[MakeConstSpan](
    T* ptr,
    size_t size) noexcept;
----

[.small]#xref:absl/MakeConstSpan-05.adoc[_» more..._]#

== Return Value

* A read‐only span over the elements of `c`.
* A read‐only span over all elements of `array`.
* A read‐only span over the range `[begin, end)]`.
* A read‐only span over `size` elements starting at `ptr`.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *c*
| The container whose data the span refers to.
| *array*
| The array whose elements the span refers to.
| *begin*
| Pointer to the first element.
| *end*
| Pointer just past the last element.
| *ptr*
| Pointer to the first element.
| *size*
| Number of elements.
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#