目录
yield
irb(main):001:1* def hello_world
irb(main):002:1* puts "hello"
irb(main):003:1* yield
irb(main):004:1* yield
irb(main):005:1* puts "world!"
irb(main):006:0> end
=> :hello_world
irb(main):007:0> hello_world {puts ","}
hello
,
,
world!
=> nil
def hello_name
puts "...."
yield ("zhangsang")
end
hello_name {|name| puts "hello,#{name}"}
def hello_name
puts "...."
yield ("zhangsang")
end
hello_name do
|name|
puts "hello,#{name}"
end
....
hello,zhangsang
标签:20,name,puts,yield,手册,irb,main,ruby,hello
From: https://www.cnblogs.com/waterruby/p/17786427.html