Update examples for Rust master

python-to-rust/Makefile

@@ -4,12 +4,11 @@ else
     EXT := so
 endif
 
-all: target/libdouble_input.so
+all: target/debug/libdouble_input.$(EXT)
 	python src/main.py
 
-target/libdouble_input.so: src/lib.rs Cargo.toml
+target/debug/libdouble_input.$(EXT): src/lib.rs Cargo.toml
 	cargo build
-	(cd target && ln -nsf debug/libdouble_input-*$(EXT) libdouble_input.so)
 
 clean:
 	rm -rf target

python-to-rust/src/main.py

@@ -1,6 +1,12 @@
 from ctypes import cdll
+from sys import platform
 
-lib = cdll.LoadLibrary('target/libdouble_input.so')
+if platform == "darwin":
+    ext = "dylib"
+else:
+    ext = "so"
+
+lib = cdll.LoadLibrary('target/debug/libdouble_input.' + ext)
 double_input = lib.double_input
 
 input = 4