[#mrdocs-Param-2constructor-03]
= xref:mrdocs.adoc[mrdocs]::xref:mrdocs/Param.adoc[Param]::Param
:relfileprefix: ../../
:mrdocs:

Constructors

== Synopses

Declared in `<mrdocs/Metadata/Symbol/Param.hpp>`

Create an empty parameter with an `auto` type.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
xref:mrdocs/Param/2constructor-0d.adoc[Param]() = default;
----

[.small]#xref:mrdocs/Param/2constructor-0d.adoc[_» more..._]#

Construct a parameter with type, name, and default expression.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:mrdocs/Param/2constructor-00.adoc[Param](
    xref:mrdocs/Polymorphic.adoc[Polymorphic<Type>]&& type,
    std::string&& name,
    std::string&& def_arg);
----

[.small]#xref:mrdocs/Param/2constructor-00.adoc[_» more..._]#

== Parameters

[cols="1,4"]
|===
| Name| Description
| *type*
| Parameter type.
| *name*
| Parameter identifier.
| *def_arg*
| Default argument expression, if present.
|===


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