-module(helloworld).
-export([start/0]).
start() ->
M1 = #{name=>john,age=>25},
io:fwrite("~w",[map_size(M1)]).
原创文章,作者:ItWorker,如若转载,请注明出处:https://blog.ytso.com/266316.html
-module(helloworld).
-export([start/0]).
start() ->
M1 = #{name=>john,age=>25},
io:fwrite("~w",[map_size(M1)]).
原创文章,作者:ItWorker,如若转载,请注明出处:https://blog.ytso.com/266316.html