Enum SchemeElementType 

pub enum SchemeElementType {
    SourceFile,
    Whitespace,
    Newline,
    Comment,
    LineComment,
    NumberLiteral,
    StringLiteral,
    CharacterLiteral,
    BooleanLiteral,
    Identifier,
    Symbol,
    Keyword,
    Define,
    Lambda,
    If,
    Cond,
    Case,
    Let,
    LetStar,
    Letrec,
    Begin,
    Do,
    Quote,
    Quasiquote,
    Unquote,
    UnquoteSplicing,
    And,
    Or,
    Not,
    Set,
    LeftParen,
    RightParen,
    LeftBracket,
    RightBracket,
    LeftBrace,
    RightBrace,
    Dot,
    Hash,
    Quote_,
    Quasiquote_,
    Unquote_,
    UnquoteSplicing_,
    List,
    Quotation,
    Error,
    Eof,
}

Element types for the Scheme language.

Variants

SourceFile

A source file.

Whitespace

Whitespace.

Newline

A newline.

Comment

A comment.

LineComment

A line comment.

NumberLiteral

A numeric literal.

StringLiteral

A string literal.

CharacterLiteral

A character literal.

BooleanLiteral

A boolean literal.

Identifier

An identifier.

Symbol

A symbol.

Keyword

A keyword.

Define

define keyword.

Lambda

lambda keyword.

If

if keyword.

Cond

cond keyword.

Case

case keyword.

Let

let keyword.

LetStar

let* keyword.

Letrec

letrec keyword.

Begin

begin keyword.

Do

do keyword.

Quote

quote keyword.

Quasiquote

quasiquote keyword.

Unquote

unquote keyword.

UnquoteSplicing

unquote-splicing keyword.

And

and keyword.

Or

or keyword.

Not

not keyword.

Set

set! keyword.

LeftParen

(.

RightParen

).

LeftBracket

[.

RightBracket

].

LeftBrace

{.

RightBrace

}.

Dot

..

Hash

#.

Quote_

'.

Quasiquote_

`.

Unquote_

,.

UnquoteSplicing_

,@.

List

A list.

Quotation

A quotation.

Error

An error token.

Eof

End of stream.

Trait Implementations

impl Clone for SchemeElementType

fn clone(&self) -> SchemeElementType

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SchemeElementType

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for SchemeElementType

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl ElementType for SchemeElementType

type Role = UniversalElementRole

The associated role type for this element kind.

fn role(&self) -> Self::Role

Returns the general syntactic role of this element.

fn is_role(&self, role: Self::Role) -> bool

Returns true if this element matches the specified language-specific role.

fn is_universal(&self, role: UniversalElementRole) -> bool

Returns true if this element matches the specified universal role.

fn is_root(&self) -> bool

Returns true if this element represents the root of the parsed tree.

fn is_error(&self) -> bool

Returns true if this element represents an error condition.

impl From<SchemeTokenType> for SchemeElementType

fn from(token: SchemeTokenType) -> Self

Converts to this type from the input type.

impl Hash for SchemeElementType

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 PartialEq for SchemeElementType

fn eq(&self, other: &SchemeElementType) -> 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 Serialize for SchemeElementType

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Copy for SchemeElementType

impl Eq for SchemeElementType

impl StructuralPartialEq for SchemeElementType