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Commit9c57a34

Browse files
inkblotjnape
authored andcommitted
Inline resume
Add explicit type arguments to the first match in the lambda returned by resume so that resume can be inlined, renaming the `spine` lambda parameter to `tSpine` for disambiguation
1 parent7ac280c commit9c57a34

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1 file changed

+7
-14
lines changed
  • src/main/java/com/jnape/palatable/lambda/monad/transformer/builtin

1 file changed

+7
-14
lines changed

‎src/main/java/com/jnape/palatable/lambda/monad/transformer/builtin/IterateT.java‎

Lines changed: 7 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -85,7 +85,13 @@ private IterateT(Pure<M> pureM,
8585
public <MMTAextendsMonadRec<Maybe<Tuple2<A,IterateT<M,A>>>,M>>MMTArunIterateT() {
8686
MonadRec<ImmutableQueue<Choice2<Fn0<MonadRec<Maybe<Tuple2<A,IterateT<M,A>>>,M>>,MonadRec<A,M>>>,M>
8787
mSpine =pureM.apply(spine);
88-
returnmSpine.trampolineM(resume(pureM)).coerce();
88+
returnmSpine.trampolineM(tSpine ->tSpine.head().<MonadRec<RecursiveResult<ImmutableQueue<Choice2<Fn0<MonadRec<Maybe<Tuple2<A,IterateT<M,A>>>,M>>,MonadRec<A,M>>>,Maybe<Tuple2<A,IterateT<M,A>>>>,M>>match(
89+
___ ->pureM.apply(terminate(nothing())),
90+
thunkOrReal ->thunkOrReal.match(
91+
thunk ->thunk.apply().fmap(m ->m.match(
92+
___ ->recurse(tSpine.tail()),
93+
t ->terminate(just(t.fmap(as ->newIterateT<>(pureM,as.spine.concat(tSpine.tail()))))))),
94+
real ->real.fmap(a ->terminate(just(tuple(a,newIterateT<>(pureM,tSpine.tail())))))))).coerce();
8995
}
9096

9197
/**
@@ -289,19 +295,6 @@ public <B> IterateT<M, A> discardR(Applicative<B, IterateT<M, ?>> appB) {
289295
returnMonadT.super.discardR(appB).coerce();
290296
}
291297

292-
privatestatic <MextendsMonadRec<?,M>,A>
293-
Fn1<ImmutableQueue<Choice2<Fn0<MonadRec<Maybe<Tuple2<A,IterateT<M,A>>>,M>>,MonadRec<A,M>>>,
294-
MonadRec<RecursiveResult<ImmutableQueue<Choice2<Fn0<MonadRec<Maybe<Tuple2<A,IterateT<M,A>>>,M>>,MonadRec<A,M>>>,Maybe<Tuple2<A,IterateT<M,A>>>>,M>>
295-
resume(Pure<M>pureM) {
296-
returnspine ->spine.head().match(
297-
___ ->pureM.apply(terminate(nothing())),
298-
thunkOrReal ->thunkOrReal.match(
299-
thunk ->thunk.apply().fmap(m ->m.match(
300-
___ ->recurse(spine.tail()),
301-
t ->terminate(just(t.fmap(as ->newIterateT<>(pureM,as.spine.concat(spine.tail()))))))),
302-
real ->real.fmap(a ->terminate(just(tuple(a,newIterateT<>(pureM,spine.tail())))))));
303-
}
304-
305298
/**
306299
* Static factory method for creating an empty {@link IterateT}.
307300
*

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