Enum PatternItem

pub enum PatternItem {
    Root,
    Recv,
    Lhs,
    Rhs,
    Value,
    MethodCall,
    Body,
    Args,
    Expr,
    ElseBody,
    Scope,
    Name,
    Superclass,
    Const,
    Definee,
    Iterator,
    Iteratee,
    Pattern,
    Left,
    Right,
    IfTrue,
    IfFalse,
    Cond,
    DefaultValue,
    Ensure,
    Guard,
    As,
    Re,
    Key,
    ExcList,
    ExcVar,
    Var,
    Options,
    To,
    From,
    MlhsItems,
    Arglist,
    Elements,
    Stmts,
    WhenBodies,
    InBodies,
    Parts,
    Indexes,
    Pairs,
    RescueBodies,
    Idx(usize),
}

Enum of all types of parent->child transitions during traversing

Variants

Root

Root transition

Recv

Transition into .recv from:

• Send
• CSend
• Index
• IndexAsgn
• OpAsgn
• OrAsgn
• AndAsgn

Lhs

Transition into .lhs from:

• And
• Masgn
• MatchAlt
• Or

Rhs

Transition into .rhs from:

• And
• Masgn
• MatchAlt
• Or

Value

Transition into .value from:

• AndAsgn
• BlockPass
• Casgn
• Cvasgn
• Defined
• Gvasgn
• MatchPattern
• MatchPattern
• IndexAsgn
• Ivasgn
• Kwsplat
• Lvasgn
• MatchAs
• MatchWithLvasgn
• OpAsgn
• OrAsgn
• Pair
• Splat

MethodCall

Transitions into .call from:

• Block
• Numblock

Body

Transitions into .body from:

• Block
• Class
• Def
• Defs
• Ensure
• For
• InPattern
• Module
• Numblock
• Postexe
• Preexe
• Rescue
• RescueBody
• Sclass
• Until
• UntilPost
• When
• While
• WhilePost

Args

Transitions into .args from:

• Block
• Break
• Csend
• Def
• Defs
• Next
• Return
• Send
• Super
• Undef
• When
• Yield

Expr

Transitions into .expr from:

• Case
• CaseMatch
• Sclass

ElseBody

Transitions into .else_body from:

• Case
• CaseMatch
• Rescue

Scope

Transitions into .scope from:

• Casgn
• Const

Name

Transitions into .name from:

• Class
• MatchRest
• Module

Superclass

Transitions into .superclass from:

• Class

Const

Transitions into .const from:

• ConstPattern

Definee

Transitions into .definee from:

• Defs

Iterator

Transitions into .iterator from:

• For

Iteratee

Transitions into .iteratee from:

• For

Pattern

Transitions into .pattern from:

• ConstPattern
• MatchPattern
• MatchPatternP
• InPattern

Left

Transitions into .left from:

• EFlipFlop
• Erange
• IFlipFlop
• Irange

Right

Transitions into .right from:

• EFlipFlop
• Erange
• IFlipFlop
• Irange

IfTrue

Transitions into .if_true from:

• If
• IfMod
• IfTernary

IfFalse

Transitions into .if_false from:

• If
• IfMod
• IfTernary

Cond

Transitions into .cond from:

• If
• IfGuard
• IfMod
• IfTernary
• UnlessGuard
• Until
• UntilPost
• While
• WhilePost

DefaultValue

Transitions into .default from:

• Kwoptarg
• Optarg

Ensure

Transitions into .ensure from:

• Ensure

Guard

Transitions into .guard from:

• InPattern

As

Transitions into .as from:

• MatchAs

Re

Transitions into .re from:

• MatchCurrentLine
• MatchWithLvasgn

Key

Transitions into .key from:

• Pair

ExcList

Transitions into .exc_list from:

• RescueBody

ExcVar

Transitions into .exc_var from:

• RescueBody

Var

Transitions into .var from:

• Pin

Options

Transitions into .options from:

• Regexp

To

Transitions into .to from:

• Alias

From

Transitions into .from from:

• Alias

MlhsItems

Transitions into .items from:

• Mlhs

Arglist

Transitions into .args from:

• Args
• Procarg0

Elements

Transitions into .elements from:

• Array
• ArrayPattern
• ArrayPatternWithTail
• FindPattern
• HashPattern

Stmts

Transitions into .statements from:

• Begin
• KwBegin

WhenBodies

Transitions into .when_bodies from:

• Case

InBodies

Transitions into .in_bodies from:

• CaseMatch

Parts

Transitions into .parts from:

• Dstr
• Dsym
• Heredoc
• Regexp
• XHeredoc
• Xstr

Indexes

Transitions into .indexes from:

• Index
• IndexAsgn

Pairs

Transitions into .pairs from:

• Hash
• Kwargs

RescueBodies

Transitions into .rescue_bodies from:

• Rescue

Idx(usize)

Transitions into any element of `Vec

Implementations

impl Item

pub fn new(s: &str) -> Result<Item, PatternError>

Parses given string slice and constructs an Item (if possible)

Trait Implementations

impl Clone for Item

fn clone(&self) -> Item

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Item

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

Formats the value using the given formatter.

impl PartialEq for Item

fn eq(&self, other: &Item) -> 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 Copy for Item

impl Eq for Item

impl StructuralPartialEq for Item