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assertthat (development version)

assertthat 0.2.1

  • assert_that() no longer throws a fatal error on very long custom expressions (@jameslamb, #45)

  • has_name() now always returns a single TRUE/FALSE, even if you use it to check multiple names (@jameslamb, #60)

  • is.count() returns FALSE for NA_real_, NaN and NA_integer_. is.integerish() returns FALSE for NA_real_ and NaN (@drkarthi, #54)

  • is.count(), is.flag(), is.number(), and is.scalar() now have well-defined behavior for Inf, -Inf, and finite but large numbers (@jameslamb, #47)

assertthat 0.2.0

  • assert_that(), see_if(), and validate_that() get a msg argument that allows you to provide a custom message (@krlmlr, #6)

  • is.named() returns TRUE if an element has NA name (#20)

  • New tests cover most assertions (@bpbond, #18, #20)

  • Better error message if assertion is length 0 (@paulstaab, #22)