Zig 0.17.0-dev (Split by item)

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writeUnsignedExtended

Same as writeUnsignedFixed but with a runtime-known length. Asserts slice.len > 0.

leb128.writeUnsignedExtended

pub fn writeUnsignedExtended(slice: []u8, arg: anytype) void

File

lib/std/leb128.zig:18

Code

pub fn writeUnsignedExtended(slice: []u8, arg: anytype) void {
    const Arg = @TypeOf(arg);
    const Int = switch (Arg) {
        comptime_int => std.math.IntFittingRange(arg, arg),
        else => Arg,
    };
    const Value = if (@typeInfo(Int).int.bits < 8) u8 else Int;
    var value: Value = arg;

    for (slice[0 .. slice.len - 1]) |*byte| {
        byte.* = @truncate(0x80 | value);
        value >>= 7;
    }
    slice[slice.len - 1] = @as(u7, @intCast(value));
}