assert_true | Modular

Mojo function

assert_true[T: Boolable, //](val: T, msg: String = "condition was unexpectedly False", *, location: Optional[SourceLocation] = None)

Asserts that the input value is True and raises an Error if it's not.

Parameters:

  • T (Boolable): The type of the value argument.

Args:

  • val (T): The value to assert to be True.
  • msg (String): The message to be printed if the assertion fails.
  • location (Optional): The location of the error (defaults to call_location).

Raises:

An Error with the provided message if assert fails and None otherwise.