swirl (version 2.2.21)

expr_identical_to: Test that the user has entered a particular expression.

Description

Test that the user has entered an expression identical to that given as the first argument.

Usage

expr_identical_to(correct_expression)

Arguments

correct_expression

the correct or expected expression as a string

Value

• TRUE or FALSE

See Also

Other AnswerTests: AnswerTests; any_of_exprs; expr_creates_var; expr_is_a; expr_uses_func; func_of_newvar_equals; omnitest; val_has_length; val_matches; var_is_a

Examples

# Test that a user has entered a particular command
  #
  expr_identical_to('myVar <- c(3, 5, 7)')