Rust Extension Methods - Rust At Work [Episode 1]

Welcome to one of my brand new series called Rust at work. In this video we look at Rust Extension Methods. Extension methods are a way of extending an existing type such as a Vector or even the String type.

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[David-wsrw]

I don't get why we need to have a fake trait, instead of being able to just another impl block for the type. I tried and compiler complains cause Vec is not in my module. I am not sure what they are trying to prevent by forbidding that...

[dutchghst]

why don't use self.iter().sum() as return value for the method? ;D

[michaelgroncki]

The font size is to small. Very difficult to read the code.