[#llvm-operator_le-0fc]
= xref:llvm.adoc[llvm]::operator<=
:relfileprefix: ../
:mrdocs:

Determine whether one version number precedes or is equivalent to another.

== Synopsis

Declared in `<llvm/Support/VersionTuple.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
operator<=(
    xref:llvm/VersionTuple.adoc[VersionTuple] const& X,
    xref:llvm/VersionTuple.adoc[VersionTuple] const& Y);
----

[NOTE]
====
This function is a https://en.cppreference.com/w/cpp/language/friend[hidden friend] of xref:llvm/VersionTuple.adoc[VersionTuple], declared only inside that class: it can be found only through argument-dependent lookup.
====

== Description

If not provided, minor and subminor version numbers are considered to be zero.

== Return Value

`true` if `X` is less than or equal to `Y.`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *X*
| Left‐hand version.
| *Y*
| Right‐hand version.
|===


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