[#BloombergLP-balcl-CommandLine-2constructor-02]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balcl.adoc[balcl]::xref:BloombergLP/balcl/CommandLine.adoc[CommandLine]::CommandLine
:relfileprefix: ../../../
:mrdocs:

Create an object accepting the command‐line options described by the specified (statically‐initialized) `specTable`. Optionally specify a `basicAllocator` used to supply memory. If `basicAllocator` is 0, the currently installed default allocator is used. The behavior is undefined unless `specTable` satisfies the `isValidOptionSpecificationTable` function. Note that an appropriate error message is written to `bsl::cerr`.

== Synopsis

Declared in `<balcl_commandline.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<int LENGTH>
explicit
CommandLine(
    xref:BloombergLP/balcl/OptionInfo.adoc[OptionInfo] const(& specTable)[],
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----


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