ATTR _ * in ruby _*

ATTR _ * in ruby _*

In Java, get and set are used to assign values to and read variables.

In ruby:

Read:

Def name @ nameend

Assignment:

Def name = (myname) @ name = mynameend

You can use attr_reader and attr_writer, or attr_accessor.

For example, the above two pieces of code can be represented by only one line of code below

Attr_accessor: Name

Among them, ATTR _ * is the built-in method of Ruby. It reads and returns the variables of an instance with the same name as the method (more @ sign required.

In summary, Ruby is the representative of dry. When you think that code is used repeatedly, you are away from Ruby's design philosophy ......