class SyntaxTree::YARV::BranchIf


~~~
puts x
x ||= “foo”
x = true
~~~ruby
### Usage
the jump index and continues executing there.
If the value popped off the stack is true, ‘branchif` jumps to
stack: the jump condition.
`branchif` has one argument: the jump index. It pops one value off the
### Summary

def ==(other) 

def ==(other)
  other.is_a?(BranchIf) && other.label == label
end

def branch_targets 

def branch_targets
  [label]
end

def call(vm) 

def call(vm)
  vm.jump(label) if vm.pop
end

def deconstruct_keys(_keys) 

def deconstruct_keys(_keys)
  { label: label }
end

def disasm(fmt) 

def disasm(fmt)
  fmt.instruction("branchif", [fmt.label(label)])
end

def falls_through? 

def falls_through?
  true
end

def initialize(label) 

def initialize(label)
  @label = label
end

def length 

def length
  2
end

def pops 

def pops
  1
end

def to_a(_iseq) 

def to_a(_iseq)
  [:branchif, label.name]
end