Function takeVarInt [src]

Asserts the buffer was initialized with a capacity at least n.

Prototype

pub fn takeVarInt(r: *Reader, comptime Int: type, endian: std.builtin.Endian, n: usize) Error!Int

Parameters

r: *ReaderInt: typeendian: std.builtin.Endiann: usize

Possible Errors

EndOfStream

ReadFailed

See the Reader implementation for detailed diagnostics.

Example

 test takeVarInt {
    var r: Reader = .fixed(&.{ 0x12, 0x34, 0x56 });
    try testing.expectEqual(0x123456, try r.takeVarInt(u64, .big, 3));
    try testing.expectError(error.EndOfStream, r.takeVarInt(u16, .little, 1));
}

Source

  pub fn takeVarInt(r: *Reader, comptime Int: type, endian: std.builtin.Endian, n: usize) Error!Int {
    assert(n <= @sizeOf(Int));
    return std.mem.readVarInt(Int, try r.take(n), endian);
}  