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Rust] impl Trait 의 Limitations(한계점)코딩Coding/★Rust★기초★Syntax 2022. 3. 11. 20:14728x90
Limitations
impl Trait can only appear as a parameter or return type of a free or inherent function. It cannot appear inside implementations of traits, nor can it be the type of a let binding or appear inside a type alias.
https://doc.rust-lang.org/reference/types/impl-trait.html
Impl trait type - The Rust Reference
Syntax ImplTraitType : impl TypeParamBounds ImplTraitTypeOneBound : impl TraitBound impl Trait provides ways to specify unnamed but concrete types that implement a specific trait. It can appear in two sorts of places: argument position (where it can act as
doc.rust-lang.org
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