WIP: Named attributes

[atait]

Follows #13

support for attribute access of user-defined classes

If it has the attribute and it is a literal, collapse the get attribute

Unrolling and deindexing namedtuple

Support for enumerate

Before, this only worked for sequences of literals. Now it can combine with deindexing of heterogeneous sequences. It must be in this order of decoration

@pragma.unroll
@pragma.deindex(v, 'v', collapse_iterables=True)        
def f():
    for i, elem in enumerate(v):
        yield i, elem

[ghost]

DeepCode's analysis on #79fc9b found:

• ℹ️ 1 minor issue. 👇

Top issues

Description	Example fixes
Use % formatting in logging functions and pass the % parameters as arguments Occurrences: __init__.py:44 __init__.py:59 __init__.py:60	🔧 Example fixes

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[coveralls]

Pull Request Test Coverage Report for Build 116

• 28 of 30 (93.33%) changed or added relevant lines in 4 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.3%) to 86.568%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pragma/core/resolve/init.py	14	16	87.5%

Totals
Change from base Build 112:	0.3%
Covered Lines:	1115
Relevant Lines:	1288

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💛 - Coveralls