Same story herepic.twitter.com/qGLAijYMWH
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Allowed to have N immutable references or at most 1 mutable reference with 0 immutable references to an object. I'm sure this has huge implications. I wonder, for example, how you build a mutable doubly-linked list. More to read. #rustlang
And finally substring / slice / string_view with a nice bit syntactic sugar. Half-open ranges are a good choice. #rustlang
Ch 5 Structs. Some fairly unique shorthand for initialization with the field init shorthand syntax and .. struct update syntax. Struct tuples as strong typedefs for tuples looks nice. Looks like I have to wait til Ch 10 to see how to have a reference member. #rustlang
"Methods can take ownership of self" feels weird but I'll try to keep an open mind. #rustlang
The chapter never explained any rationale for why methods and associated functions (in C++ static member functions) are in a separate impl block apart from the struct definition. It's a mystery. #rustlang
You can make different blocks with different bounds, so methods only exist when the constraints are fulfilled. If that makes sense
It doesn't yet, but it sounds interesting and I look forward to when it does.
For example, Option<T> has all of these different impl blocks:pic.twitter.com/YlT0OjJY3f
I think I see; looks sort of like a ref-qualifiers for member functions in C++. Or maybe closer to SFINAE.
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