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hdl.ast: add Value.implies.

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whitequark 2019-01-19 08:56:44 +00:00
parent c5d67b0461
commit 5e2b46f727
1 changed files with 10 additions and 0 deletions
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10
nmigen/hdl/ast.py
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@ -134,6 +134,16 @@ class Value(metaclass=ABCMeta):
""" """
return Operator("b", [self]) return Operator("b", [self])
def implies(premise, conclusion):
"""Implication.
Returns
-------
Value, out
``0`` if ``premise`` is true and ``conclusion`` is not, ``1`` otherwise.
"""
return ~premise | conclusion
def part(self, offset, width): def part(self, offset, width):
"""Indexed part-select. """Indexed part-select.