fmap ( M-x quot -- M-y ) - Factor Documentation

fmap ( M-x quot -- M-y )

Vocabulary
monadics

Inputs

M-x an object

quot an object

Outputs

M-y an object

Definition

GENERIC#: fmap 1 ( M-x quot -- M-y )

Methods

USING: accessors kernel monadics ;

M: Either fmap
over Right? [ [ value>> ] dip lazy-call right ] [ drop ] if
;

USING: accessors kernel monadics ;

M: Maybe fmap
over Just? [ [ value>> ] dip lazy-call just ] [ drop ] if ;

USING: kernel monadics sequences ;

M: sequence fmap [ lazy-call ] curry map ;