Type Alias LineNumber

pub type LineNumber = Option<u16>;

Aliased Type

enum LineNumber {
    None,
    Some(u16),
}

Variants

None

No value.

Some(u16)

Some value of type T.

Trait Implementations

impl MaxValue<u16> for LineNumber

fn max_value() -> u16

impl TryFrom<&Link> for LineNumber

type Error = Error

The type returned in the event of a conversion error.

fn try_from(prog: &Link) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<&Token> for LineNumber

type Error = Error

The type returned in the event of a conversion error.

fn try_from(token: &Token) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<Val> for LineNumber

type Error = Error

The type returned in the event of a conversion error.

fn try_from(val: Val) -> Result<Self, Self::Error>

Performs the conversion.