url-string? ( object -- ? )

Vocabulary

webbrowser

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the url-string class.

Definition

USING: accessors combinators.short-circuit kernel sequences
strings urls ;

IN: webbrowser

: url-string? ( object -- ? )
    dup string? [
        { [ "://" subseq-index ] [ >url protocol>> >boolean ] }
        1&&
    ] [ drop f ] if ;