Enum syntax::util::parser::AssocOp

pub enum AssocOp {
    Add,
    Subtract,
    Multiply,
    Divide,
    Modulus,
    LAnd,
    LOr,
    BitXor,
    BitAnd,
    BitOr,
    ShiftLeft,
    ShiftRight,
    Equal,
    Less,
    LessEqual,
    NotEqual,
    Greater,
    GreaterEqual,
    Assign,
    Inplace,
    AssignOp(BinOpToken),
    As,
    DotDot,
    DotDotEq,
    Colon,
}

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Associative operator with precedence.

This is the enum which specifies operator precedence and fixity to the parser.

Variants

Add

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+

Subtract

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-

Multiply

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*

Divide

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/

Modulus

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%

LAnd

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&&

LOr

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||

BitXor

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^

BitAnd

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&

BitOr

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|

ShiftLeft

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<<

ShiftRight

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>>

Equal

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==

Less

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<

LessEqual

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<=

NotEqual

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!=

Greater

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>

GreaterEqual

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>=

Assign

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=

Inplace

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<-

AssignOp(BinOpToken)

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?= where ? is one of the BinOpToken

As

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

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as

DotDot

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.. range

DotDotEq

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..= range

Colon

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:

Methods

impl AssocOp

pub fn from_token(t: &Token) -> Option<AssocOp>

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Create a new AssocOP from a token

pub fn from_ast_binop(op: BinOpKind) -> Self

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Create a new AssocOp from ast::BinOpKind.

pub fn precedence(&self) -> usize

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Gets the precedence of this operator

pub fn fixity(&self) -> Fixity

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Gets the fixity of this operator

pub fn is_comparison(&self) -> bool

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pub fn is_assign_like(&self) -> bool

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pub fn to_ast_binop(&self) -> Option<BinOpKind>

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Trait Implementations

impl Debug for AssocOp

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl PartialEq for AssocOp

fn eq(&self, __arg_0: &AssocOp) -> bool

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

fn ne(&self, __arg_0: &AssocOp) -> bool

This method tests for !=.

impl Eq for AssocOp