Function utf8CodepointSequenceLength [src]

Returns how many bytes the UTF-8 representation would require for the given codepoint.

Prototype

pub fn utf8CodepointSequenceLength(c: u21) !u3

Parameters

c: u21

Source

  pub fn utf8CodepointSequenceLength(c: u21) !u3 {
    if (c < 0x80) return @as(u3, 1);
    if (c < 0x800) return @as(u3, 2);
    if (c < 0x10000) return @as(u3, 3);
    if (c < 0x110000) return @as(u3, 4);
    return error.CodepointTooLarge;
}  