swirl (version 2.4.1)

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, calculates_same_value, 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)')