Monoid
append()
Monad
MonadPlus
Continuation
call_cc()
Either
Left
Right
is_left()
is_right()
either()
failsafe()
to_either()
Identity
Lazy
force()
is_lazy()
List
fmap()
Maybe
Just
Nothing
from_maybe()
to_maybe()
is_nothing()
Reader
asks()
reader()
local()
lookup()
ask
State
get_state()
gets()
modify()
set_state()
set_value()
set_values()
update()
update_value()
Writer
writer_with_type()
Ord
k_compose()
k_pipe()
lift()
m_map()
replicate()
sequence()
Examples
The Monoid Class