Introduction
1. Requirements
2. Overview of Clojure
- 2.1. When to use Clojure
- 2.2. The syntax
- 2.3. Design
- 2.4. Read, Evaluate, Print Loop (REPL)
- 2.5. All bytecode in the end
- 2.6. Features in more depth
3. Some Basic Clojure
- 3.1. Whats my environment
- 3.2. Reading project file
- 3.3. Threading syntactic sugar
- 3.4. Show me the docs
- 3.5. Java Interoperability
- 3.6. More Java fun
- 3.7. Quick look at Types
- 3.8. Strings
- 3.9. Numbers & Maths
- 3.10. Ratios
- 3.11. Assigning Names
4. Data structures
- 4.1. List
- 4.2. Map
- 4.3. Vector
- 4.4. Set
5. Using data structures
- 5.1. Applying functions
- 5.2. Mapping functions
6. Modifying data structures
- 6.1. Lists
- 6.2. Maps
- 6.3. Vectors
- 6.4. Sets
7. Defing behaviour with Functions
- 7.1. Syntax
- 7.2. Calling functions
- 7.3. Examples
- 7.4. Parameters
- 7.5. Using Functions over data structures
8. Defining fuctions
- 8.1. let local values
9. Control flow
- 9.1. if
10. Local Assignment
11. Simple project
- 11.1. Create a project
- 11.2. Run the REPL
12. Libraries
- 12.1. Clojars
- 12.2. om
- 12.3. edn
13. Testing
- 13.1. Testing
- 13.2. Testing
- 13.3. Testing
14. Leiningen Configuration
- 14.1. Profiles overview
- 14.2. Adding a dev profile
- 14.3. Templates
- 14.4. Create a template
- 14.5. Plugins
15. Development Environments
- 15.1. Java
- 15.2. Leiningen
- 15.3. LightTable
- 15.4. Other tools
16. Explaining Macros
17. Work in Progress
18. Where next
19. Reference
- 19.1. Basic Syntax
- 19.2. Functions
- 19.3. Sequences
20. Lighttable
- 20.1. Configure Keyboard mappings
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Devoxx - Getting started with Clojure coding

Arity

The number of arguments a function takes. This can be a fixed number or variable number of arguments. Simple polymorphism can also be used to have one function take different numbers of arguments.