Erlang programming statements and sequential programming (2)

Module:

The module is in Erlang.Code. All functions are written in the module. The module File generally uses. erl as the extension. Compile the module to obtain the. Beam file.

-Module (module File name ).

The name must be the same as the file name;

Export function:

-Export ([proc/n]).

Indicates that a function named proc that accepts N parameters is exported.

Externally available calls: Module name: function name (parameter list)

Function:

1: The functions in Erlang mainly rely on the object (that is, the number and type of parameters) to determine which function to call. Arity: Object

2: Fun is an anonymous function.