Before;
```
File
"/usr/local/google/home/tansell/foss/timvideos/hdmi2usb/i2cslave/build/lib/python3.4/site-packages/migen-0.2-py3
.4.egg/migen/fhdl/structure.py", line 110, in __getitem__
raise TypeError
TypeError
```
After;
```
File
"/usr/local/google/home/tansell/foss/timvideos/hdmi2usb/i2cslave/build/lib/python3.4/site-packages/migen-0.2-py3.4.egg/migen/fhdl/structure.py",
line 110, in __getitem__
raise TypeError("Can use type %s (%r) as key" % (type(key), key))
TypeError: Can use type <class 'migen.fhdl.structure.Signal'> (<Signal dbits at
0x7fd7836a2a90>) as key
```
---
migen/fhdl/structure.py | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/migen/fhdl/structure.py b/migen/fhdl/structure.py
index d44a50e..0a8cc16 100644
--- a/migen/fhdl/structure.py
+++ b/migen/fhdl/structure.py
@@ -107,7 +107,8 @@ class _Value(DUID):
return Cat(self[i] for i in range(start, stop, step))
return _Slice(self, start, stop)
else:
- raise TypeError
+ raise TypeError("Can use type {} ({}) as key".format(
+ type(key), repr(key)))
def eq(self, r):
"""Assignment
--
2.6.0.rc2.230.g3dd15c0
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