enforce

Raise the specified exception of the provided expression evaluates to false.

Behavior is similar to assert() but throws an exception on failure.

package @safe

enforce

(

ExceptionClass

T...

)

(

bool val

string msg = ""

string file = __FILE__

size_t line = __LINE__

)

Examples

enforce!(OutOfRange, myvar)(myvar > 0, "myvar must be greater than 0");