Enum sql_parser::parser::Precedence [−][src]
enum Precedence {
Show 13 variants
Zero,
Or,
And,
PrefixNot,
Is,
Cmp,
Like,
Other,
PlusMinus,
MultiplyDivide,
PostfixCollateAt,
PrefixPlusMinus,
PostfixSubscriptCast,
}
Expand description
Defines a number of precedence classes operators follow. Since this enum derives Ord, the precedence classes are ordered from weakest binding at the top to tightest binding at the bottom.
Variants
Zero
Or
And
PrefixNot
Is
Cmp
Like
Other
PlusMinus
MultiplyDivide
PostfixCollateAt
PrefixPlusMinus
PostfixSubscriptCast
Trait Implementations
This method returns an ordering between self
and other
values if one exists. Read more
This method tests less than (for self
and other
) and is used by the <
operator. Read more
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
Auto Trait Implementations
impl RefUnwindSafe for Precedence
impl Send for Precedence
impl Sync for Precedence
impl Unpin for Precedence
impl UnwindSafe for Precedence
Blanket Implementations
Mutably borrows from an owned value. Read more
Compare self to key
and return true
if they are equal.
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more