Zig 0.17.0-dev (Split by item)

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charEscape

Print as escaped contents of a single-quoted string.

zig.charEscape

pub fn charEscape(codepoint: u21, w: *Writer) Writer.Error!void

File

lib/std/zig.zig:558

Code

pub fn charEscape(codepoint: u21, w: *Writer) Writer.Error!void {
    switch (codepoint) {
        '\n' => try w.writeAll("\\n"),
        '\r' => try w.writeAll("\\r"),
        '\t' => try w.writeAll("\\t"),
        '\\' => try w.writeAll("\\\\"),
        '\'' => try w.writeAll("\\'"),
        '"', ' ', '!', '#'...'&', '('...'[', ']'...'~' => try w.writeByte(@intCast(codepoint)),
        else => {
            if (std.math.cast(u8, codepoint)) |byte| {
                try w.writeAll("\\x");
                try w.printInt(byte, 16, .lower, .{ .width = 2, .fill = '0' });
            } else {
                try w.writeAll("\\u{");
                try w.printInt(codepoint, 16, .lower, .{});
                try w.writeByte('}');
            }
        },
    }
}