Zig 0.17.0-dev (Split by item)

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utf8CodepointSequenceLength

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

unicode.utf8CodepointSequenceLength

pub fn utf8CodepointSequenceLength(c: u21) !u3

File

lib/std/unicode.zig:17

Code

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;
}