[#BloombergLP-balcl-Option-2constructor-09]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balcl.adoc[balcl]::xref:BloombergLP/balcl/Option.adoc[Option]::Option
:relfileprefix: ../../../
:mrdocs:

Constructors

== Synopses

Declared in `<balcl_option.h>`

Create a default (empty) command‐line option.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/balcl/Option/2constructor-07.adoc[Option]();
----

[.small]#xref:BloombergLP/balcl/Option/2constructor-07.adoc[_» more..._]#

Create a default (empty) command‐line option using the specified `basicAllocator` to supply memory.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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explicit
xref:BloombergLP/balcl/Option/2constructor-06.adoc[Option](xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator);
----

[.small]#xref:BloombergLP/balcl/Option/2constructor-06.adoc[_» more..._]#

Create an `Option` having the same value as `original`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/balcl/Option/2constructor-04.adoc[Option](
    xref:BloombergLP/balcl/Option.adoc[Option] const& original,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----

[.small]#xref:BloombergLP/balcl/Option/2constructor-04.adoc[_» more..._]#

Create a command‐line option from the specified `optionInfo`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
xref:BloombergLP/balcl/Option/2constructor-08.adoc[Option](
    xref:BloombergLP/balcl/OptionInfo.adoc[OptionInfo] const& optionInfo,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----

[.small]#xref:BloombergLP/balcl/Option/2constructor-08.adoc[_» more..._]#

== Parameters

[cols="1,4"]
|===
| Name| Description
| *basicAllocator*
| memory allocator; null uses the default
| *original*
| object providing the value to copy
| *optionInfo*
| option descriptor providing the value
|===


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