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MapNone extension
MapNone extension
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MapNone<
K
,
V
>
extension
on
Map
<
K
,
V
>
Methods
none
(
bool
predicate
(
K
key
,
V
value
)
)
→
bool
Available on
Map
<
K
,
V
>
, provided by the
MapNone
extension
Returns
true
if there is no entries in the map that match the given
predicate
.
predicate
must not be null.
dartx package
documentation
dartx
MapNone extension
dartx library