closure ( vertex quot: ( vertex -- edges ) -- set )
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remove-vertex ( vertex edges graph -- )

Vocabulary
graphs

Inputs

vertex	an object
quot	a quotation with stack effect ( vertex -- edges )

Outputs

set	a hash-set

Word description
Outputs all vertices reachable from vertex via edges given by the quotation. The set always includes vertex.

Definition

IN: graphs

: closure ( vertex quot: ( vertex -- edges ) -- set )
    HS{ } closure-as ; inline