Enum SubstitutionError 

#[non_exhaustive]
pub enum SubstitutionError {
    UndefinedVariable(String),
    MissingImport(String),
    MissingQueryParameter(String),
    DuplicateVariable(String),
    InvalidDefine(String),
    InvalidValue(String),
    Parse(ParseError),
}

An error encountered while substituting EXT-X-DEFINE variables.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

UndefinedVariable(String)

A {$name} reference has no definition.

MissingImport(String)

An IMPORT names a variable missing from the imported variables.

MissingQueryParameter(String)

A QUERYPARAM names a parameter missing from the playlist URI query.

DuplicateVariable(String)

A variable is defined more than once.

InvalidDefine(String)

An EXT-X-DEFINE tag does not have exactly one of NAME/VALUE, IMPORT, or QUERYPARAM, or its name is invalid.

InvalidValue(String)

A variable’s value contains a control character or a double quote, which would change the structure of the playlist once substituted.

Parse(ParseError)

The playlist could not be parsed after substitution.

Trait Implementations

impl Debug for SubstitutionError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for SubstitutionError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for SubstitutionError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

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

Provides type-based access to context intended for error reports.