blueprint.md
In hardhat: Construct Modeling Packages

check on input to `new_blueprint()`

Code
  new_blueprint(same_new_arg = 1, same_new_arg = 2)
Condition
  Error in `new_blueprint()`:
  ! All elements of `...` must have unique names.

checks for updating a blueprint

Code
  update_blueprint(blueprint, intercept = TRUE, intercept = FALSE)
Condition
  Error in `update_blueprint()`:
  ! `...` must have unique names.

Code
  update_blueprint(blueprint, intercpt = TRUE)
Condition
  Error in `update_blueprint()`:
  ! All elements of `...` must already exist.
  i The following fields are new: "intercpt".

checks the ptype

Code
  new_blueprint(ptypes = list(x = 1))
Condition
  Error in `new_blueprint()`:
  ! `ptypes` must have an element named "predictors".

Code
  new_blueprint(ptypes = list(predictors = "not a tibble", outcomes = "not a tibble"))
Condition
  Error in `new_blueprint()`:
  ! `ptypes$predictors` must be a tibble, not the string "not a tibble".

Code
  new_blueprint(ptypes = list(predictors = tibble_too_long, outcomes = tibble_too_long))
Condition
  Error in `new_blueprint()`:
  ! `ptypes$predictors` must be size 0, not size 1.