[issue18788] Proof of concept: implicit call syntax

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

> Ambiguous cases (such as "expr * expr" and "expr ** expr") obey the rule that implicit calls are very *low* precedence, so you have to use parens to force the call interpretation.

Does "a + b c" mean "(a + b)(c)"? Does "a + b (c)" mean "(a + b)((c))"?

What does "a (b, c)" mean? "a.__call__(b, c)" or "a.__call__((b, c))"?

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nosy: +serhiy.storchaka

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<http://bugs.python.org/issue18788>
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