/**
* If specimen is null, returns null. Otherwise passes it to my wrapped Guard, if there is one.
*/
public Object coerce(Object specimen, OneArgFunc optEjector) {
// shorten first
specimen = Ref.resolution(specimen);
if (null == specimen) {
return null;
} else if (null == myOptSubGuard) {
throw Thrower.toEject(optEjector, "must be null");
} else {
return myOptSubGuard.coerce(specimen, optEjector);
}
}
public void accept(Mint.Purse payment) {
Ref ackVow = E.send(myPurse, "deposit", BigInteger.valueOf(10), payment);
Ref.whenResolvedOnly(
ackVow,
new OneArgFunc() {
public Object run(Object ack) {
T.require(!Ref.isBroken(ack), "oops");
// ... react to being paid.
return null;
}
});
}