[#std-hash-038]
= xref:std.adoc[std]::hash<xref:CTransactionRef.adoc[CTransactionRef]>
:relfileprefix: ../
:mrdocs:

Disable default std::hash for CTransactionRef to prevent accidentally comparing by pointer. Use CTransactionRefHash or provide a custom hasher.

== Synopsis

Declared in `<primitives/transaction.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<>
struct hash<xref:CTransactionRef.adoc[CTransactionRef]>;
----

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:std/hash-038/2constructor.adoc[`hash`]         [.small]#[constructor]# [.small]#[deleted]#
| Deleted default constructor, disabling this hash specialization.
| xref:std/hash-038/operator_call.adoc[`operator()`]  [.small]#[deleted]#
| Deleted call operator, disabling hashing of a CTransactionRef.
|===



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