Ruby: pm_numbered_reference_read_node Struct Reference

Ruby 4.0.6p0 (2026-07-14 revision 03b6d3f8898a28604fe6cb00eae3226b821168f4)

Data Fields
pm_numbered_reference_read_node Struct Reference

NumberedReferenceReadNode. More...

`#include <ast.h>`

## Data Fields
pm_node_t | base
| The embedded base node.
uint32_t | number
| NumberedReferenceReadNode#number.
Data Fields inherited from pm_node
pm_node_type_t | type
| This represents the type of the node.
pm_node_flags_t | flags
| This represents any flags on the node.
uint32_t | node_id
| The unique identifier for this node, which is deterministic based on the source.
pm_location_t | location
| This is the location of the node in the source.

## Detailed Description

NumberedReferenceReadNode.

Represents reading a numbered reference to a capture in the previous match.

    $1
    ^^

Type: ::PM_NUMBERED_REFERENCE_READ_NODE

Definition at line 6450 of file ast.h.

## Field Documentation

## ◆ base

pm_node_t pm_numbered_reference_read_node::base

The embedded base node.

Definition at line 6452 of file ast.h.

Referenced by pm_dump_json().

## ◆ number

uint32_t pm_numbered_reference_read_node::number

NumberedReferenceReadNode#number.

The (1-indexed, from the left) number of the capture group. Numbered references that are too large result in this value being 0.

    $1          # number `1`

    $5432       # number `5432`

    $4294967296 # number `0`

Definition at line 6466 of file ast.h.

Referenced by pm_dump_json().

The documentation for this struct was generated from the following file:

- prism/ast.h