Enum Argument 

pub enum Argument {
    Expression(Box<Expression>),
}

Variants

Expression(Box<Expression>)

Implementations

impl Argument

pub fn to_source_string<'a>(&self, source: &'a [u8]) -> Option<&'a str>

Convert this argument back to source text

pub fn is_string_or_macro_string(&self) -> bool

Check if this argument is a string literal or macro wrapping a string

pub fn is_null(&self) -> bool

Check if this argument is NULL

pub fn extract_string_value(&self) -> Option<String>

Extract string value from this argument, unwrapping macros

Trait Implementations

impl Clone for Argument

fn clone(&self) -> Argument

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Argument

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

Formats the value using the given formatter.

impl Serialize for Argument

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.