CurryInfo: base-3.3.0 / Prelude.null

definition:
 
null :: [_] -> Bool
null []    = True
null (_:_) = False
demand:
 argument 1
deterministic:
 deterministic operation
documentation:
 
Is a list empty?
failfree:
 _
indeterministic:
 referentially transparent operation
infix:
 no fixity defined
iotype:
 {({[]}) |-> {True} || ({:}) |-> {False}}
name:
 null
precedence:
 no precedence defined
result-values:
 {False,True}
signature:
 [a] -> Bool
solution-complete:
 operationally complete operation
terminating:
 yes
totally-defined:
 reducible on all ground data terms