Struct wast::Error

source · []
pub struct Error { /* private fields */ }
Expand description

A convenience error type to tie together all the detailed errors produced by this crate.

This type can be created from a LexError. This also contains storage for file/text information so a nice error can be rendered along the same lines of rustc’s own error messages (minus the color).

This type is typically suitable for use in public APIs for consumers of this crate.

Implementations

Creates a new error with the given message which is targeted at the given span

Note that you’ll want to ensure that set_text or set_path is called on the resulting error to improve the rendering of the error message.

Return the Span for this error.

To provide a more useful error this function can be used to extract relevant textual information about this error into the error itself.

The contents here should be the full text of the original file being parsed, and this will extract a sub-slice as necessary to render in the Display implementation later on.

To provide a more useful error this function can be used to set the file name that this error is associated with.

The path here will be stored in this error and later rendered in the Display implementation.

Returns the underlying LexError, if any, that describes this error.

Returns the underlying message, if any, that describes this error.

Trait Implementations

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

🔬 This is a nightly-only experimental API. (backtrace)

Returns a stack backtrace, if available, of where this error occurred. 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

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.

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.