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charToDigit

fmt.charToDigit

pub fn charToDigit(c: u8, base: u8) (error

File

lib/std/fmt.zig:575

Code

pub fn charToDigit(c: u8, base: u8) (error{InvalidCharacter}!u8) {
    const value = switch (c) {
        '0'...'9' => c - '0',
        'A'...'Z' => c - 'A' + 10,
        'a'...'z' => c - 'a' + 10,
        else => return error.InvalidCharacter,
    };

    if (value >= base) return error.InvalidCharacter;

    return value;
}