Doc field init shorthand #405
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ghost
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steveklabnik
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Jan 17, 2017
| To get a particular value out of a struct, we can use dot notation. If we | ||
| wanted just this user’s email address, we can say `user1.email`. | ||
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| We can initializing a data structure (struct, enum, union) with named fields, by writing `fieldname` as a shorthand for `fieldname: fieldname`. This allows a compact syntax for initialization, with less duplication: |
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could you wrap this to 80 columns please?
| We can initializing a data structure (struct, enum, union) with named fields, by writing `fieldname` as a shorthand for `fieldname: fieldname`. This allows a compact syntax for initialization, with less duplication: | ||
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| ``` | ||
| #![feature(field_init_shorthand)] |
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could you remove this, please? we aren't going to put it in the book until it's stable.
| #[derive(Debug)] | ||
| struct Person<'a> { | ||
| name: &'a str, |
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Could you make this a String?
| fn main() { | ||
| // Create struct with field init shorthand | ||
| let name = "Peter"; |
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... and then use String::from here?
carols10cents
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This is now stable in nightly! @HnGiang any interest in fixing up the review issues here? |
steveklabnik
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Mar 23, 2017
From RFC 1682. This is an updated version of #405. cc rust-lang/rust#39096
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I've updated this and committed it as e90abc5, thank you! ❤️ |
gypsydave5
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Nov 17, 2017
From RFC 1682. This is an updated version of rust-lang#405. cc rust-lang/rust#39096
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Added "field init shorthand" follow by RFC 1682