9 months ago | Paul Boddie | file changeset files shortlog | Introduce special well-defined instances, similar to predefined constants, to support loop exit conditions without having to raise a new instance as an exception on every occasion. | well-defined-instances |
paul@2 | 1 | import operator |
paul@2 | 2 | |
paul@2 | 3 | def f(a, op, b): |
paul@2 | 4 | return op(a, b) |
paul@2 | 5 | |
paul@214 | 6 | print f(1, operator.add, 2) # 3 |
paul@214 | 7 | print f(1, operator.sub, 2) # -1 |