Enum brane_dsl::ast::Literal

pub enum Literal {
    Null {
        range: TextRange,
    },
    Boolean {
        value: bool,
        range: TextRange,
    },
    Integer {
        value: i64,
        range: TextRange,
    },
    Real {
        value: f64,
        range: TextRange,
    },
    String {
        value: String,
        range: TextRange,
    },
    Semver {
        value: String,
        range: TextRange,
    },
    Void {
        range: TextRange,
    },
}

Defines a literal constant.

Variants

Null

Defines the null literal.

Fields

range: TextRange

The range of the boolean in the source text.

Boolean

Defines a boolean literal.

Fields

value: bool

The value of the Boolean.

range: TextRange

The range of the boolean in the source text.

Integer

Defines an integral literal.

Fields

value: i64

The value of the Integer.

range: TextRange

The range of the integer in the source text.

Real

Defines a floating-point literal.

Fields

value: f64

The value of the Real.

range: TextRange

The range of the real in the source text.

String

Defines a String literal.

Fields

value: String

The value of the String.

range: TextRange

The range of the string in the source text.

Semver

Defines a SemVer literal.

Fields

value: String

We did not parse the semver yet.

range: TextRange

Void

Defines a Void literal (no value).

Fields

range: TextRange

The range of the void in the source text.

Implementations

impl Literal

pub fn as_bool(&self) -> bool

Returns the value of the Literal as if it is a Boolean.

Returns

The value of this Boolean literal.

Panics

This function panics if the Literal is not a Boolean.

pub fn as_bool_ref(&self) -> &bool

Returns a reference to the value of the Literal as if it is a Boolean.

Returns

A reference to the value of this Boolean literal.

Panics

This function panics if the Literal is not a Boolean.

pub fn as_bool_mut(&mut self) -> &mut bool

Returns a muteable reference to the value of the Literal as if it is a Boolean.

Returns

A muteable reference to the value of this Boolean literal.

Panics

This function panics if the Literal is not a Boolean.

pub fn as_int(&self) -> i64

Returns the value of the Literal as if it is an Integer.

Returns

The value of this Integer literal.

Panics

This function panics if the Literal is not an Integer.

pub fn as_int_ref(&self) -> &i64

Returns a reference to the value of the Literal as if it is an Integer.

Returns

A reference to the value of this Integer literal.

Panics

This function panics if the Literal is not an Integer.

pub fn as_int_mut(&mut self) -> &mut i64

Returns a muteable reference to the value of the Literal as if it is an Integer.

Returns

A muteable reference to the value of this Integer literal.

Panics

This function panics if the Literal is not an Integer.

pub fn as_real(&self) -> f64

Returns the value of the Literal as if it is a Real.

Returns

The value of this Real literal.

Panics

This function panics if the Literal is not a Real.

pub fn as_real_ref(&self) -> &f64

Returns a reference to the value of the Literal as if it is a Real.

Returns

A reference to the value of this Real literal.

Panics

This function panics if the Literal is not a Real.

pub fn as_real_mut(&mut self) -> &mut f64

Returns a muteable reference to the value of the Literal as if it is a Real.

Returns

A muteable reference to the value of this Real literal.

Panics

This function panics if the Literal is not a Real.

pub fn as_string_ref(&self) -> &str

Returns a reference to the value of the Literal as if it is a String.

Returns

A reference to the value of this String literal.

Panics

This function panics if the Literal is not a String.

pub fn as_string_mut(&mut self) -> &mut str

Returns a muteable reference to the value of the Literal as if it is a String.

Returns

A muteable reference to the value of this String literal.

Panics

This function panics if the Literal is not a String.

pub fn as_version(&self) -> Result<Version, ParseError>

Returns a (parsed) semantic version from the Literal as if it is a Semver.

Returns

A freshly parsed (i.e., non-trivial retrieval) of a Version.

Errors

This function errors if we could not parse the Semver as a Version.

Panics

This function panics if the Literal is not a Semver.

pub fn data_type(&self) -> DataType

Returns the data type of this Literal.

Trait Implementations

impl Clone for Literal

fn clone(&self) -> Literal

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Literal

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

Formats the value using the given formatter.

impl EnumDebug for Literal

fn type_name() -> &'static str

Returns the static name of the type used for EnumDebug-printing.

fn variant_names() -> &'static [&'static str]

Returns all variants in the trait as a list of names.

fn variant_name(&self) -> &'static str

Returns the static name of the variant.

fn variant(&self) -> EnumDebugFormatter<'_, Self>

Returns a formatter for this enum that writes its variant name.

fn variants() -> Copied<Iter<'static, &'static str>>

Returns an iterator over all variants in this enum.

impl Node for Literal

fn range(&self) -> &TextRange

Returns the node’s source range.

fn start(&self) -> &TextPos

Returns the node’s start position.

fn end(&self) -> &TextPos

Returns the node’s end position.