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True Myth - v7.1.0
True Myth
maybe
isInstance
Function isInstance
is
Instance
<
T
>
(
item
)
:
item
is
Maybe
<
T
>
Determine whether an item is an instance of
Maybe
.
Type Parameters
T
Parameters
item
:
unknown
The item to check.
Returns
item
is
Maybe
<
T
>
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True
Myth -
v7.1.0
index
maybe
default
Just
JustJSON
Maybe
Constructor
Nothing
NothingJSON
Any
Function
Matcher
Maybe
MaybeJSON
Narrowing
Predicate
Predicate
Transposed
Array
Unwrapped
Variant
Maybe
Variant
and
and
Then
ap
equals
find
first
get
is
Instance
is
Just
is
Nothing
just
last
map
map
Or
map
Or
Else
match
nothing
of
or
or
Else
property
toJSON
to
String
transpose
Array
unwrap
Or
unwrap
Or
Else
wrap
Return
result
toolbelt
unit
Generated using
TypeDoc
Determine whether an item is an instance of
Maybe.