Struct tidb_query_codegen::rpn_function::kw::Option

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pub struct Option {
    pub span: Span,
}

Fields

span: Span

Trait Implementations

impl Clone for Option[+]

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fn clone(&self) -> Self[−]

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)[−]

Performs copy-assignment from source.

impl Copy for Option

impl CustomToken for Option[+]

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fn peek(cursor: Cursor<'_>) -> bool

fn display() -> &'static str

impl Debug for Option[+]

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

Formats the value using the given formatter.

impl Default for Option[+]

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fn default() -> Self[−]

Returns the “default value” for a type.

impl Eq for Option

impl Hash for Option[+]

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fn hash<__H: Hasher>(&self, _state: &mut __H)[−]

Feeds this value into the given Hasher.

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

Feeds a slice of this type into the given Hasher.

impl Parse for Option[+]

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fn parse(input: ParseStream<'_>) -> Result<Option>

impl PartialEq<Option> for Option[+]

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fn eq(&self, _other: &Self) -> bool[−]

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

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#[must_use]pub fn ne(&self, other: &Rhs) -> bool[−]

This method tests for !=.

impl ToTokens for Option[+]

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fn to_tokens(&self, tokens: &mut TokenStream2)[−]

Write self to the given TokenStream.

pub fn to_token_stream(&self) -> TokenStream[−]

Convert self directly into a TokenStream object.

pub fn into_token_stream(self) -> TokenStream[−]

Convert self directly into a TokenStream object.