[#boost-urls-grammar-lut_chars-2constructor-029]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/grammar.adoc[grammar]::xref:boost/urls/grammar/lut_chars.adoc[lut&lowbar;chars]::lut&lowbar;chars
:relfileprefix: ../../../../
:mrdocs:

Constructors

== Synopses

Declared in `&lt;https://www.github.com/boostorg/url/blob/develop/include/boost/url/grammar/lut_chars.hpp#L157[boost&sol;url&sol;grammar&sol;lut&lowbar;chars&period;hpp]&gt;`

Constructor


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
xref:boost/urls/grammar/lut_chars/2constructor-079.adoc[lut&lowbar;chars](char ch) noexcept;
----

[.small]#xref:boost/urls/grammar/lut_chars/2constructor-079.adoc[_» more&period;&period;&period;_]#

Constructor


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
xref:boost/urls/grammar/lut_chars/2constructor-074.adoc[lut&lowbar;chars](char const* s) noexcept;
----

[.small]#xref:boost/urls/grammar/lut_chars/2constructor-074.adoc[_» more&period;&period;&period;_]#

Constructor&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class Pred&gt;
requires detail&colon;&colon;is&lowbar;pred&lt;Pred&gt;&colon;&colon;value &amp;&amp;
        ! std&colon;&colon;is&lowbar;base&lowbar;of&lt;
            lut&lowbar;chars, Pred&gt;&colon;&colon;value
constexpr
xref:boost/urls/grammar/lut_chars/2constructor-02d.adoc[lut&lowbar;chars](Pred const& pred) noexcept;
----

[.small]#xref:boost/urls/grammar/lut_chars/2constructor-02d.adoc[_» more&period;&period;&period;_]#

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ch*
| A character&period;
| *s*
| A null&hyphen;terminated string&period;
| *pred*
| The function object to use for determining membership in the character set&period;
|===


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