Enum ParamPrefix 

#[repr(u8)]
pub enum ParamPrefix {
    Dollar = 36,
    Colon = 58,
    Question = 63,
    At = 64,
}

A parameter prefix character, preceding the name or index of a bound parameter. One of $, :, ?, or @.

The default value is $, because it’s the most flexible one.

Variants are in ASCII/Unicode code point order.

Variants

Dollar = 36

Colon = 58

Question = 63

At = 64

Implementations

impl ParamPrefix

pub const fn as_byte(self) -> u8

Returns the underlying raw byte.

pub const fn as_char(self) -> char

Returns the underlying raw character.

Trait Implementations

impl Clone for ParamPrefix

fn clone(&self) -> ParamPrefix

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ParamPrefix

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

Formats the value using the given formatter.

impl Default for ParamPrefix

fn default() -> ParamPrefix

Returns the “default value” for a type.

impl Display for ParamPrefix

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

Formats the value using the given formatter.

impl From<ParamPrefix> for char

fn from(prefix: ParamPrefix) -> Self

Converts to this type from the input type.

impl From<ParamPrefix> for u8

fn from(prefix: ParamPrefix) -> Self

Converts to this type from the input type.

impl FromStr for ParamPrefix

type Err = Error

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type.

impl Hash for ParamPrefix

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, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for ParamPrefix

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

This method returns an Ordering between self and other.

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

where Self: Sized,

Compares and returns the maximum of two values.

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

where Self: Sized,

Compares and returns the minimum of two values.

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

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for ParamPrefix

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for ParamPrefix

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

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

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

Tests less than (for self and other) and is used by the < operator.

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

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

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

Tests greater than (for self and other) and is used by the > operator.

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

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

impl TryFrom<char> for ParamPrefix

type Error = Error

The type returned in the event of a conversion error.

fn try_from(ch: char) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<u8> for ParamPrefix

type Error = Error

The type returned in the event of a conversion error.

fn try_from(byte: u8) -> Result<Self, Self::Error>

Performs the conversion.

impl Copy for ParamPrefix

impl Eq for ParamPrefix

impl StructuralPartialEq for ParamPrefix