isAbsoluteWindowsImpl

fn isAbsoluteWindowsImpl(comptime T: type, path: []const T) bool {
    return switch (getWin32PathType(T, path)) {
        // Unambiguously absolute
        .drive_absolute, .unc_absolute, .local_device, .root_local_device => true,
        // Unambiguously relative
        .relative => false,
        // Ambiguous, more absolute than relative
        .rooted => true,
        // Ambiguous, more relative than absolute
        .drive_relative => false,
    };
}