class Racc::ISet

一个“索引”集合。所有项都必须响应 :ident。

属性

set[R]

公共类方法

new(a = []) 点击以切换源代码

# File racc-1.8.1/lib/racc/iset.rb, line 18
def initialize(a = [])
  @set = a
end

公共实例方法

[](key) 点击以切换源代码

# File racc-1.8.1/lib/racc/iset.rb, line 28
def [](key)
  @set[key.ident]
end

别名为：include?, key?

[]=(key, val) 点击以切换源代码

# File racc-1.8.1/lib/racc/iset.rb, line 32
def []=(key, val)
  @set[key.ident] = val
end

add(i) 点击以切换源代码

# File racc-1.8.1/lib/racc/iset.rb, line 24
def add(i)
  @set[i.ident] = i
end

clear() 点击以切换源代码

# File racc-1.8.1/lib/racc/iset.rb, line 82
def clear
  @set.clear
end

delete(key) 点击以切换源代码

# File racc-1.8.1/lib/racc/iset.rb, line 54
def delete(key)
  i = @set[key.ident]
  @set[key.ident] = nil
  i
end

dup() 点击以切换源代码

# File racc-1.8.1/lib/racc/iset.rb, line 86
def dup
  ISet.new(@set.dup)
end

each(&block) 点击以切换源代码

# File racc-1.8.1/lib/racc/iset.rb, line 60
def each(&block)
  @set.compact.each(&block)
end

empty?() 点击以切换源代码

# File racc-1.8.1/lib/racc/iset.rb, line 78
def empty?
  @set.nitems == 0
end

include?(key)

别名为：[]

inspect()

别名为：to_s

key?(key)

别名为：[]

size() 点击以切换源代码

# File racc-1.8.1/lib/racc/iset.rb, line 74
def size
  @set.nitems
end

to_a() 点击以切换源代码

# File racc-1.8.1/lib/racc/iset.rb, line 64
def to_a
  @set.compact
end

to_s() 点击以切换源代码

# File racc-1.8.1/lib/racc/iset.rb, line 68
def to_s
  "[#{@set.compact.join(' ')}]"
end

别名为：inspect

update(other) 点击以切换源代码

# File racc-1.8.1/lib/racc/iset.rb, line 39
def update(other)
  s = @set
  o = other.set
  o.each_index do |idx|
    if t = o[idx]
      s[idx] = t
    end
  end
end

update_a(a) 点击以切换源代码

# File racc-1.8.1/lib/racc/iset.rb, line 49
def update_a(a)
  s = @set
  a.each {|i| s[i.ident] = i }
end