End of Life Ruby 3.2 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
class method
Data.members
DataClass::members → array_of_symbols
struct.c
View on GitHub ↗
#define rb_data_s_members_m rb_struct_s_members_m
Returns an array of member names of the data class:
Example
Measure = Data.define(:amount, :unit) Measure.members # => [:amount, :unit]