Function toOption

toOption<T>(arg): Option<T>

Convert a nullable variable to Option

Type Parameters

T

Parameters

arg: undefined | null | T
nullable variable

Returns Option<T>

Option

const option = toOption('foo');
option.isNone(); // returns `false`;
option.unwrap(); // returns `'foo'`;

toOption(null).isNone(); // returns `true`
toOption(undefined).isNone(); // returns `true`

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