Zig 0.17.0-dev (Split by item)

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toUpper

Uppercases the character and returns it as-is if already uppercase or not a letter.

ascii.toUpper

pub fn toUpper(c: u8) u8

File

lib/std/ascii.zig:195

Code

pub fn toUpper(c: u8) u8 {
    const mask = @as(u8, @intFromBool(isLower(c))) << 5;
    return c ^ mask;
}