Enum nu_protocol::hir::Expression

pub enum Expression {
    Literal(Literal),
    ExternalWord,
    Synthetic(Synthetic),
    Variable(String, Span),
    Binary(Box<Binary>),
    Range(Box<Range>),
    Block(Arc<Block>),
    List(Vec<SpannedExpression>),
    Table(Vec<SpannedExpression>, Vec<Vec<SpannedExpression>>),
    FullColumnPath(Box<FullColumnPath>),
    FilePath(PathBuf),
    ExternalCommand(ExternalStringCommand),
    Command,
    Subexpression(Arc<Block>),
    Boolean(bool),
    Garbage,
}

Variants

Literal(Literal)

ExternalWord

Synthetic(Synthetic)

Variable(String, Span)

Binary(Box<Binary>)

Range(Box<Range>)

Block(Arc<Block>)

List(Vec<SpannedExpression>)

Table(Vec<SpannedExpression>, Vec<Vec<SpannedExpression>>)

FullColumnPath(Box<FullColumnPath>)

FilePath(PathBuf)

ExternalCommand(ExternalStringCommand)

Command

Subexpression(Arc<Block>)

Boolean(bool)

Garbage

Implementations

impl Expression

pub fn integer(i: i64) -> Expression

pub fn big_integer(i: BigInt) -> Expression

pub fn decimal(dec: BigDecimal) -> Expression

pub fn string(s: String) -> Expression

pub fn operator(operator: Operator) -> Expression

pub fn range(
    left: Option<SpannedExpression>,
    operator: Spanned<RangeOperator>,
    right: Option<SpannedExpression>
) -> Expression

pub fn glob_pattern(p: String) -> Expression

pub fn file_path(file_path: PathBuf) -> Expression

pub fn simple_column_path(members: Vec<Member>) -> Expression

pub fn path(
    head: SpannedExpression,
    tail: Vec<impl Into<PathMember>>
) -> Expression

pub fn unit(i: Spanned<i64>, unit: Spanned<Unit>) -> Expression

pub fn variable(v: String, span: Span) -> Expression

pub fn boolean(b: bool) -> Expression

pub fn has_var_usage(&self, var_name: &str) -> bool

pub fn get_free_variables(
    &self,
    known_variables: &mut Vec<String>
) -> Vec<String>

Trait Implementations

impl Clone for Expression

fn clone(&self) -> Expression

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Expression

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Expression

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
    __D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.

impl Hash for Expression

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl IntoSpanned for Expression

type Output = SpannedExpression

fn into_spanned(self, span: impl Into<Span>) -> Self::Output

impl Ord for Expression

fn cmp(&self, other: &Expression) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl PartialEq<Expression> for Expression

fn eq(&self, other: &Expression) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Expression) -> bool

This method tests for !=.

impl PartialOrd<Expression> for Expression

fn partial_cmp(&self, other: &Expression) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl Serialize for Expression

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

Serialize this value into the given Serde serializer.

impl ShellTypeName for Expression

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

impl Eq for Expression

impl StructuralEq for Expression

impl StructuralPartialEq for Expression