NULLABLE_TYPE_IN_ON_CLAUSE constant

CompileTimeErrorCode const NULLABLE_TYPE_IN_ON_CLAUSE

No parameters.

Implementation

static const CompileTimeErrorCode NULLABLE_TYPE_IN_ON_CLAUSE =
    CompileTimeErrorCode('NULLABLE_TYPE_IN_ON_CLAUSE',
        "A mixin can't have a nullable type as a superclass constraint.",
        correction: "Try removing the question mark.")