hasEffects
Returns a matcher that matches Next instances whose effects match the supplied effect matcher.
Parameters
matcher
the matcher to apply to the effects
M
the model type
F
the effect type
Returns a matcher that matches if all the supplied effects are present in the supplied Next, in any order. The Next may have more effects than the ones included.
Return
a matcher that matches Next instances that include all the supplied effects
Parameters
effects
the effects to match (possibly empty)
M
the model type
F
the effect type