check ( index string backwards? -- in-bounds? )

Vocabulary

regexp.compiler.private

Inputs

index	an object
string	an object
backwards?	an object

Outputs

in-bounds?

an object

Definition

USING: kernel math sequences ;

IN: regexp.compiler.private

: check ( index string backwards? -- in-bounds? )
    [ drop -1 eq? not ] [ length < ] if ; inline