350: Mainline

Suppose, for example, that you want to store 9 as the value associated with the key, #FatRatio, in the Smalltalk dictionary. You simply send a at:put: message as follows:

Workspace
                *-- Tells Smalltalk the name of the key 
                | 
                v 
Smalltalk at: #FatRatio put: 9 
 ^            ^              ^ 
 |            |       *------* 
 |            |       | 
 |            |       *-- Tells Smalltalk the value to be stored 
 |            | 
 |            *-- Hash mark is explained in Segment 204 
 | 
 *-- The receiver