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MapCount extension
MapCount extension
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MapCount<
K
,
V
>
extension
on
Map
<
K
,
V
>
Methods
count
(
[
bool
predicate
(
MapEntry
<
K
,
V
>
)?
])
→
int
Returns the number of entries matching the given
predicate
or the number of entries when
predicate = null
.
dartx package
documentation
dartx
MapCount extension
dartx library