pub enum Token<S> {
Show 16 variants Def, Thm, LBrk, RBrk, LPar, RPar, Colon, ColonEq, Arrow, FatArrow, LongArrow, Comma, Dot, Symb(Symb<S>), Comment(usize), Error,
}
Expand description

A token generated by the lexer.

Variants

Def

definition

Thm

theorem

LBrk

opening bracket

RBrk

closing bracket

LPar

opening parenthesis

RPar

closing parenthesis

Colon

has type

ColonEq

is defined as

Arrow

product

FatArrow

abstraction

LongArrow

rewrites to

Comma

separate variables in rewrite rule contexts

Dot

terminate command

Symb(Symb<S>)

symbol

Comment(usize)

unclosed comments (the number indicates how many comments are still open)

Error

unrecognised token

Trait Implementations

Formats the value using the given formatter. Read more

Formats the value using the given formatter. Read more

Associated type Extras for the particular lexer. This can be set using #[logos(extras = MyExtras)] and accessed inside callbacks. Read more

Source type this token can be lexed from. This will default to str, unless one of the defined patterns explicitly uses non-unicode byte values or byte slices, in which case that implementation will use [u8]. Read more

Helper const of the variant marked as #[error].

The heart of Logos. Called by the Lexer. The implementation for this function is generated by the logos-derive crate. Read more

Create a new instance of a Lexer that will produce tokens implementing this Logos. Read more

Create a new instance of a Lexer with the provided Extras that will produce tokens implementing this Logos. Read more

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

This method tests for !=.

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Converts the given value to a String. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.