Tutorial by Examples

In Clojure everything that is not nil or false is considered logical true. Examples: (boolean nil) ;=> false (boolean false) ;=> false (boolean true) ;=> true (boolean :a) ;=> true (boolean "false") ;=> true (boolean 0) ;=> tru...

Any value in Clojure is considered truthy unless it is false or nil. You can find the truthiness of a value with (boolean value). You can find the truthiness of a list of values using (or), which returns true if any arguments are truthy, or (and) which returns true if all arguments are truthy. =&gt...