Vocabulary
syntax

Syntax

C: constructor class

Inputs and outputs

constructor	a new word to define
class	a tuple-class

Word description
Define a constructor word for a tuple class which simply performs BOA (by order of arguments) construction using boa.

Examples
Suppose the following tuple has been defined:

TUPLE: color red green blue ;

The following two lines are equivalent:

C: <color> color : <color> ( red green blue -- color ) color boa ;

In both cases, a word <color> is defined, which reads three values from the stack and creates a color instance having these values in the red, green and blue slots, respectively.

Definition

USING: classes.tuple parser ;

IN: syntax

SYNTAX: C: scan-new-word scan-word define-boa-word ;