Variable: just
constjust: {<F>(value):Maybe<F>; <T,F>(value):never; <F>(value):never; <T>(value):Maybe<T>; } =MaybeImpl.just
Create a Maybe instance which is a Just.
null and undefined are allowed by the type signature so that the function may throw on those rather than constructing a type like Maybe<undefined>.
Call Signature
<
F>(value):Maybe<F>
Create an instance of Maybe.Just.
Type Parameters
F
F extends (...args) => object
Parameters
value
F
The value to wrap in a Maybe.Just.
Returns
Maybe<F>
An instance of Maybe.Just<T>.
Throws
If you pass null or undefined.
Call Signature
<
T,F>(value):never
Create an instance of Maybe.Just.
Type Parameters
T
T extends object
The type of the item contained in the Maybe.
F
F extends (...args) => T | null | undefined
Parameters
value
F
The value to wrap in a Maybe.Just.
Returns
never
An instance of Maybe.Just<T>.
Throws
If you pass null or undefined.
Call Signature
<
F>(value):never
Create an instance of Maybe.Just.
Type Parameters
F
F extends (...args) => null | undefined
Parameters
value
F
The value to wrap in a Maybe.Just.
Returns
never
An instance of Maybe.Just<T>.
Throws
If you pass null or undefined.
Call Signature
<
T>(value):Maybe<T>
Create an instance of Maybe.Just.
Type Parameters
T
T extends object
The type of the item contained in the Maybe.
Parameters
value
T
The value to wrap in a Maybe.Just.
Returns
Maybe<T>
An instance of Maybe.Just<T>.
Throws
If you pass null or undefined.
Template
The type of the item contained in the Maybe.
Param
The value to wrap in a Maybe.Just.
Returns
An instance of Maybe.Just<T>.
Throws
If you pass null or undefined.