Implementations to support csquare vctrs operations. There is no need to call these functions directly.
vec_cast.csquares(x, to, ...)
# S3 method for class 'csquares'
vec_cast.csquares(x, to, ...)
# S3 method for class 'character'
vec_cast.csquares(x, to, ...)
# Default S3 method
vec_cast.csquares(x, to, ...)
vec_ptype2.csquares(x, y, ...)
# S3 method for class 'character'
vec_ptype2.csquares(x, y, ...)
# S3 method for class 'csquares'
vec_ptype2.csquares(x, y, ...)
# Default S3 method
vec_ptype2.csquares(x, y, ..., x_arg = "x", y_arg = "y")