Type Alias FixedLengthString<Length>

FixedLengthString: BoundedLengthString<Length, Length>

Branded string type for strings with exactly Length characters. Alias for BoundedLengthString<Length, Length>.

Type Parameters

Length extends SupportedLength
The exact number of characters. Must be a non-negative integer literal.

Example

const countryCode = 'JP' as FixedLengthString<2>;

const atMost5: MaxLengthString<5> = countryCode; // OK (2 <= 5)
const nonEmpty: MinLengthString<1> = countryCode; // OK (2 >= 1)
// const threeChars: FixedLengthString<3> = countryCode; // Error!