Yet another utilities for Common Lisp.

One of the following Common Lisp implementations:

• SBCL (Steel Bank Common Lisp)
• Clozure Common Lisp
• CLISP
• Embeddable Common Lisp
• ABCL (Armed Bear Common Lisp)

Among those implementations, SBCL is recommended for Lisp newcomers.

$ cd path/to/quicklisp/local-projects
$ git clone https://github.com/cwchentw/cl-yautils.git

• nullable: declare a nullable data type (ex)

• default: set a default value for a variable with nil (ex)
• defined: check whether a variable is defined (ex)

• average: get the average of numbers (ex)
• random-integer: create a random integer (ex)

• proper-list: convert a list with dotted pair(s) to a proper one (ex)
• flatten: flatten a list with or without dotted pair(s) (ex)

• puts: print an object with a trailing newline to standard output (ex)
• puterr: print an object with a trailing newline to standard error (ex)

Copyright (c) 2020-2022 Michelle Chen. Licensed under MIT