Class: Struct

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
mrbgems/mruby-struct/mrblib/struct.rb

Overview

Struct

ISO 15.2.18

Constant Summary

Constants included from Enumerable

Enumerable::NONE

Instance Method Summary collapse

Methods included from Enumerable

#all?, #any?, #chain, #chunk, #chunk_while, #collect, #count, #cycle, #detect, #drop, #drop_while, #each_cons, #each_entry, #each_slice, #each_with_index, #each_with_object, #entries, #filter_map, #find_all, #find_index, #first, #flat_map, #grep, #grep_v, #group_by, #hash, #include?, #inject, #lazy, #max, #max_by, #min, #min_by, #minmax, #minmax_by, #none?, #one?, #partition, #reject, #reverse_each, #sort, #sort_by, #sum, #take, #take_while, #tally, #to_h, #uniq, #zip

Instance Method Details

#dig(idx, *args) ⇒ Object

call-seq: hsh.dig(key,…) -> object

Extracts the nested value specified by the sequence of key objects by calling dig at each step, returning nil if any intermediate step is nil.



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# File 'mrbgems/mruby-struct/mrblib/struct.rb', line 61

def dig(idx,*args)
  n = self[idx]
  if args.size > 0
    n&.dig(*args)
  else
    n
  end
end

#each(&block) ⇒ Object

Calls the given block for each element of self and pass the respective element.

ISO 15.2.18.4.4



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# File 'mrbgems/mruby-struct/mrblib/struct.rb', line 13

def each(&block)
  self.class.members.each{|field|
    block.call(self[field])
  }
  self
end

#each_pair(&block) ⇒ Object

Calls the given block for each element of self and pass the name and value of the respective element.

ISO 15.2.18.4.5



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# File 'mrbgems/mruby-struct/mrblib/struct.rb', line 26

def each_pair(&block)
  self.class.members.each{|field|
    block.call(field.to_sym, self[field])
  }
  self
end

#select(&block) ⇒ Object

Calls the given block for each element of self and returns an array with all elements of which block is not false.

ISO 15.2.18.4.7



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# File 'mrbgems/mruby-struct/mrblib/struct.rb', line 39

def select(&block)
  ary = []
  self.class.members.each{|field|
    val = self[field]
    ary.push(val) if block.call(val)
  }
  ary
end