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clear up roles docs

db4
Joe Groff 2010-07-09 13:30:15 -07:00
parent 931cda2491
commit 57fb4267ab
1 changed files with 3 additions and 1 deletions
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extra/roles/roles-docs.factor
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@ -47,7 +47,7 @@ HELP: role-slot-overlap
{ $class-description "This error is thrown if a " { $link POSTPONE: TUPLE: } " or " { $link POSTPONE: ROLE: } " definition attempts to inherit a set of " { $link role } "s in which more than one attempts to define the same slot." } ;
ARTICLE: "roles" "Roles"
"The " { $vocab-link "roles" } " vocabulary implements a way to extend tuple classes that allows them to be composed of multiple roles objects that contain slots." $nl
"The " { $vocab-link "roles" } " vocabulary provides a form of tuple interface that can be implemented by concrete tuple classes. A " { $link role } " definition is a mixin class that also prescribes a set of tuple slots. Roles are not tuple classes by themselves and cannot be instantiated by " { $link new } ". The vocabulary extends " { $link POSTPONE: TUPLE: } " syntax to allow concrete tuple types to declare membership to one or more roles, automatically including their prescribed slots." $nl
"The role superclass:"
{ $subsections role }
"Syntax for making a new role:"
@ -56,3 +56,5 @@ ARTICLE: "roles" "Roles"
{ $subsection POSTPONE: TUPLE: }
"Errors with roles:"
{ $subsections multiple-inheritance-attempted role-slot-overlap } ;
ABOUT: "roles"