beNull

Nullable!int().should.beNull tests that the Nullable is null. should.not.beNull tests the reverse.

void

beNull

(

Should

)

(

Should should

string file = __FILE__

size_t line = __LINE__

)

if (

isInstanceOf!(ShouldType, Should)

)

Examples

Nullable!int().should.beNull;
Nullable!int(5).should.not.beNull;

Object.init.should.beNull;