f=x.diretive()

f(3) ----> error

f(x=3) ----> ok!

Dose f(x=3) call the method __call__?

1 | initial version |

f=x.diretive()

f(3) ----> error

f(x=3) ----> ok!

Dose f(x=3) call the method __call__?

2 | No.2 Revision |

~~f=x.diretive()~~f=x.derivative()

f(3) ----> error

f(x=3) ----> ok!

Dose f(x=3) call the method __call__?

3 | No.3 Revision |

f=x.derivative()

f(3) ----> error

f(x=3) ----> ok!

Dose f(x=3) call the method __call__?

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