Julia as a Second Language

inside back cover

Functions to manipulate instances of the Archer and Knight types. Unlike object-oriented languages, Julia methods are not attached to the types of the objects they manipulate but to related functions.

How Julia locates and potentially compiles the machine code for an invoked method. The example is from calling the attack! function with an Archer and Pikeman object as arguments. Julia has to first find the attack! function. Next it locates the method attached to the attack! function which handles the case where an Archer object ...