vctrs 0.7.2

• vec_restore()'s default method now consistently clears unrecognized attributes from x.

  Previously:

  x <- structure(1, foo = "bar")
  to <- 2
  vec_restore(x, to)
  #> structure(1, foo = "bar")
  
  x <- structure(1, foo = "bar")
  to <- structure(2, a = "b")
  vec_restore(x, to)
  #> structure(1, a = "b")

  Now both vec_restore() calls consistently clear the unrecognized foo attribute (#2157).

• vec_equal() now considers two objects with the same attribute names and values equivalent even if the attribute ordering is different. This reflects the fact that attributes are generally viewed as a map rather than an ordered list (#2156).

• Pairlist tags and attribute names are now incorporated during object hashing. In practice this can come up when list elements are hashed inside functions like vec_unique() (#2154).

  # Only difference is the attribute name
  x <- list(
    structure(1, foo = 2),
    structure(1, bar = 2)
  )
  # Used to return `x[1]`, now returns `x`
  vec_unique(x)

• vctrs is now fully compliant with the R C API.