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artiq/lit-test/test/inferencer/error_method.py

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Python

# RUN: %python -m artiq.compiler.testbench.inferencer +diag %s >%t
# RUN: OutputCheck %s --file-to-check=%t
class c:
def f():
pass
def g(self):
pass
# CHECK-L: ${LINE:+1}: error: function 'f()->NoneType' of class 'c' cannot accept a self argument
c().f()
c.g(1)
# CHECK-L: ${LINE:+1}: error: cannot unify c with int(width='a) while inferring the type for self argument
c().g()