Rust errors / Everything else
Rust compiler error · checked with rustc 1.99.0
Rust error E0243: #### Note: this error code is no longer emitted by the compiler
What it means#### Note: this error code is no longer emitted by the compiler.
Retired: rustc no longer emits this error code. You may still see it in old answers, books and CI logs from older toolchains; the explanation below is kept for reference.
The compiler team's explanation
Note: this error code is no longer emitted by the compiler.
This error indicates that not enough type parameters were found in a type or trait.
For example, the Foo struct below is defined to be generic in T, but the type parameter is missing in the definition of Bar:
struct Foo<T> { x: T }
struct Bar { x: Foo }From rustc --explain E0243 (1.99.0), part of the Rust project, MIT or Apache-2.0. Official page.
Related errors
- E0061this function takes N arguments but M were supplied
- E0412cannot find type in this scope
- E0515cannot return reference to local variable
- E0728await is only allowed inside async functions and blocks
- E0133call to unsafe function `f` is unsafe and requires unsafe function or block
- E0152found duplicate lang item `owned_box`
- E0264unknown external lang item: `copy`
- E0267`break` inside of a closure
Up next
Often hit nextE0061: this function takes N arguments but M were suppliedA related error from the same family.Read it next →Did this answer your question?