pub enum ConstEvalErrKind {
    ConstAccessesStatic,
    ModifiedGlobal,
    AssertFailure(AssertKind<ConstInt>),
    Panic {
        msg: Symbol,
        line: u32,
        col: u32,
        file: Symbol,
    },
    Abort(String),
}
Expand description

The CTFE machine has some custom error kinds.

Variants

ConstAccessesStatic

ModifiedGlobal

AssertFailure(AssertKind<ConstInt>)

Panic

Fields

msg: Symbol
line: u32
col: u32
file: Symbol

Abort(String)

Trait Implementations

Returns a copy of the value. Read more
Performs copy-assignment from source. Read more
Formats the value using the given formatter. Read more
Formats the value using the given formatter. Read more
The lower-level source of this error, if any. Read more
👎Deprecated since 1.42.0:

use the Display impl or to_string()

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type based access to context intended for error reports. Read more
Converts this type into the (usually inferred) input type.
If true, emit a hard error instead of going through the CONST_ERR lint

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

🔬This is a nightly-only experimental API. (provide_any)
Data providers should implement this method to provide all values they are able to provide by using demand. Read more
The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning. Read more
Uses borrowed data to replace owned data, usually by cloning. Read more
Converts the given value to a String. Read more
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.

Size: 40 bytes

Size for each variant:

  • ConstAccessesStatic: 0 bytes
  • ModifiedGlobal: 0 bytes
  • AssertFailure: 40 bytes
  • Panic: 20 bytes
  • Abort: 32 bytes