Elixir: Map の使い方

プログラム

map01.exs

# ------------------------------------------------------------------
#
#	map01.exs
#
#						Mar/04/2024
# ------------------------------------------------------------------
IO.puts :stderr,"*** 開始 ***"
#
dict_aa = %{
	t2381: %{name: "名古屋", population: 36952, date_mod: "1910-9-27"},
	t2382: %{name: "豊橋", population: 43951, date_mod: "1910-7-21"},
	t2383: %{name: "岡崎", population: 76352, date_mod: "1910-6-12"},
	t2384: %{name: "一宮", population: 28752, date_mod: "1910-1-17"},
	t2385: %{name: "蒲郡", population: 56251, date_mod: "1910-5-9"},
	t2386: %{name: "常滑", population: 16453, date_mod: "1910-9-16"},
	t2387: %{name: "大府", population: 81957, date_mod: "1910-8-5"},
	t2388: %{name: "瀬戸", population: 92947, date_mod: "1910-10-20"},
	t2389: %{name: "犬山", population: 34918, date_mod: "1910-7-11"}
}
#
ll = Map.keys dict_aa
#
Enum.each(ll, fn(s) ->
	str_out =  to_string(s) <> "\t" <>  dict_aa[s].name  <> "\t" <> Integer.to_string(dict_aa[s].population) <> "\t" <> dict_aa[s].date_mod
	IO.puts(str_out)
	end)
IO.puts :stderr,"*** 終了 ***"
# ------------------------------------------------------------------

実行結果

$ elixir map01.exs 
*** 開始 ***
t2381	名古屋	36952	1910-9-27
t2382	豊橋	43951	1910-7-21
t2383	岡崎	76352	1910-6-12
t2384	一宮	28752	1910-1-17
t2385	蒲郡	56251	1910-5-9
t2386	常滑	16453	1910-9-16
t2387	大府	81957	1910-8-5
t2388	瀬戸	92947	1910-10-20
t2389	犬山	34918	1910-7-11
*** 終了 ***

確認したバージョン

$ elixir -v
Erlang/OTP 25 [erts-13.1.5] [source] [64-bit] [smp:16:12] [ds:16:12:10] [async-threads:1] [jit:ns]

Elixir 1.14.0 (compiled with Erlang/OTP 24)