[#miniscript-Node-2constructor-0fd]
= xref:miniscript.adoc[miniscript]::xref:miniscript/Node.adoc[Node]::Node
:relfileprefix: ../../
:mrdocs:

Constructs a node with subexpressions, performing the duplicate key check.

== Synopsis

Declared in `<script/miniscript.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename Ctx>
Node(
    Ctx const& ctx,
    xref:miniscript/Fragment.adoc[Fragment] nt,
    std::vector<Node> sub,
    uint32_t val = 0);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Context providing the script context and key comparator.
| *nt*
| The fragment (node type).
| *sub*
| The subexpressions.
| *val*
| The k value (timelock value or threshold).
|===


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