[#BloombergLP-ball-Rule-2constructor-0e36]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/Rule.adoc[Rule]::Rule
:relfileprefix: ../../../
:mrdocs:

Constructors

== Synopses

Declared in `<ball_rule.h>`

Create a `Rule` object whose pattern is an empty string and whose thresholds levels are all 0.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
xref:BloombergLP/ball/Rule/2constructor-01.adoc[Rule](xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----

[.small]#xref:BloombergLP/ball/Rule/2constructor-01.adoc[_» more..._]#

Create a `Rule` object that has the same value as that of the specified `original` object.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/ball/Rule/2constructor-0e39.adoc[Rule](
    xref:BloombergLP/ball/Rule.adoc[Rule] const& original,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----

[.small]#xref:BloombergLP/ball/Rule/2constructor-0e39.adoc[_» more..._]#

Create a `Rule` with the specified pattern and threshold levels.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/ball/Rule/2constructor-0b.adoc[Rule](
    std::string_view const& pattern,
    int recordLevel,
    int passLevel,
    int triggerLevel,
    int triggerAllLevel,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----

[.small]#xref:BloombergLP/ball/Rule/2constructor-0b.adoc[_» more..._]#

== Parameters

[cols="1,4"]
|===
| Name| Description
| *basicAllocator*
| memory allocator; null uses the default
| *original*
| rule to copy
| *pattern*
| category‐name pattern for this rule
| *recordLevel*
| record threshold level
| *passLevel*
| pass threshold level
| *triggerLevel*
| trigger threshold level
| *triggerAllLevel*
| trigger‐all threshold level
|===


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