>base62 ( seq -- base62 )

Vocabulary

base62

Inputs

seq

an object

Outputs

base62

an object

Definition

USING: base62.private endian kernel math sequences ;

IN: base62

:: >base62 ( seq -- base62 )
    BV{ } clone :> accum seq [ zero? not ] find
    [ drop seq length ] unless :> i seq i tail-slice be>
    [ 62 /mod ch>base62 accum push ] until-zero i alphabet first
    [ accum push ] curry times accum reverse! B{ } like ;