class Myst::OpAssign

Overview

An operational assignment. These function as a shorthand for an operation followed by an assignment to the same receiver.

target op'=' expression

For example, the operator || may be used to conditional assign to the target if it is currently falsey. The syntax target ||= expression is equivalent to target = target || expression. The same applies to other operations: target += expression is equivalent to target = target + value.

Defined in:

myst/syntax/ast.cr

Constructors

Instance Method Summary

Instance methods inherited from class Myst::Node

accept(visitor) accept, accept_children(visitor) accept_children, at(node : Node)
at(node : Nil)
at(location : Location) at, at_end(node : Node)
at_end(node : Nil)
at_end(end_location : Location) at_end, class_desc : String class_desc, end_location : Location | Nil end_location, end_location=(end_location : Location | Nil) end_location=, location : Location | Nil location, location=(location : Location | Nil) location=

Constructor Detail

def self.new(target : Myst::Node, op : String, value : Myst::Node) #

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Instance Method Detail

def ==(other : self) #
Description copied from class Reference

Returns true if this reference is the same as other. Invokes same?.


def accept_children(visitor) #

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def hash(hasher) #
Description copied from class Reference

See Object#hash(hasher)


def op : String #

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def op=(op : String) #

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def target : Node #

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def target=(target : Node) #

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def value : Node #

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def value=(value : Node) #

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