B-enhancementgood first issue
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Description
This issue is blocked by https://github.com/rust-lang/cargo/issues/5034.
We want to have some global clippy rules.
bool_assert_comparison
Allows syntax a la:
assert_eq!(flipper.get(), false);
assert_eq!(flipper.get(), true);
This is the bool_assert_comparison rule, which should be allowed.
With https://github.com/paritytech/ink/pull/884 we unfortunately had to change assert_eq!(flipper.get(), false); to assert!(!flipper.get());. These assert!(!…) expressions should be reverted to the boolean comparison.
new_without_default
For example, our flipper example in readme is currently no valid if you run clippy on it, since it misses a Default implementation for Flipper. This should not be necessary.