Futures work

typon/trans/tests/naive_fibonacci_future.py

-from typon import future
-
 def fibo(n):
     if n < 2:
         return n

typon/trans/transpiler/phases/emit_cpp/expr.py

@@ -5,7 +5,7 @@ from typing import Iterable
 
 from transpiler.phases.emit_cpp.visitors import NodeVisitor, CoroutineMode, join
 from transpiler.phases.typing.scope import Scope
-from transpiler.phases.typing.types import ClassTypeType, TupleInstanceType
+from transpiler.phases.typing.types import ClassTypeType, TupleInstanceType, TY_FUTURE, ResolvedConcreteType
 from transpiler.phases.utils import make_lnd
 from transpiler.utils import linenodata
 
@@ -122,12 +122,12 @@ class ExpressionVisitor(NodeVisitor):
         yield ")"
 
     def visit_Call(self, node: ast.Call) -> Iterable[str]:
-        if isinstance(node.func, ast.Name) and node.func.id == "fork":
+        if isinstance(node.func, ast.Name) and node.func.id in ("fork", "future"):
             assert len(node.args) == 1
             arg = node.args[0]
             assert isinstance(arg, ast.Lambda)
             if self.generator != CoroutineMode.SYNC:
-                yield "co_await typon::fork("
+                yield f"co_await typon::{node.func.id}("
                 assert isinstance(arg.body, ast.Call)
                 yield from self.visit(arg.body.func)
                 yield "("
@@ -138,12 +138,29 @@ class ExpressionVisitor(NodeVisitor):
                 yield from self.visit(arg.body)
             return
 
+
+
         # async : co_await f(args)
         # sync : call_sync(f, args)
         if self.generator != CoroutineMode.SYNC:
-            yield "co_await"
+            nty = node.type.resolve()
+            if not (isinstance(nty, ResolvedConcreteType) and nty.inherits(TY_FUTURE)):
+                yield "co_await"
         else:
             yield "call_sync"
+
+        if isinstance(node.func, ast.Attribute) and node.func.attr == "get" and node.func.value.type.inherits(TY_FUTURE):
+            yield "("
+            if self.generator == CoroutineMode.SYNC:
+                yield from self.visit(node.func.value)
+            else:
+                yield "("
+                yield from self.visit(node.func.value)
+                yield ").get()"
+            yield ")"
+            return
+
+
         yield "("
         yield from self.visit(node.func)
         yield ")("