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True Myth / toolbelt / toOkOrErr

Function: toOkOrErr() ​

Call Signature ​

toOkOrErr<T, E>(error, maybe): Result<T, E>

Transform the Maybe into a Result, using the wrapped value as the Ok value if the Maybe is Just; otherwise using the supplied error value for Err.

Type Parameters ​

T ​

T extends object

The wrapped value.

E ​

E

The error type to in the Result.

Parameters ​

error ​

E

The error value to use if the Maybe is Nothing.

maybe ​

Maybe<T>

The Maybe instance to convert.

Returns ​

Result<T, E>

A Result containing the value wrapped in maybe in an Ok, or error in an Err.

Call Signature ​

toOkOrErr<T, E>(error): (maybe) => Result<T, E>

Transform the Maybe into a Result, using the wrapped value as the Ok value if the Maybe is Just; otherwise using the supplied error value for Err.

Type Parameters ​

T ​

T extends object

The wrapped value.

E ​

E

The error type to in the Result.

Parameters ​

error ​

E

The error value to use if the Maybe is Nothing.

Returns ​

A Result containing the value wrapped in maybe in an Ok, or error in an Err.

(maybe): Result<T, E>

Parameters ​

maybe ​

Maybe<T>

Returns ​

Result<T, E>