「Ruby/for」の版間の差分
提供: 初心者エンジニアの簡易メモ
(ページの作成:「 for i in 1..3 do print("i=", i) end」) |
(→key,value) |
||
| (同じ利用者による、間の3版が非表示) | |||
| 行1: | 行1: | ||
| + | ==for== | ||
for i in 1..3 do | for i in 1..3 do | ||
print("i=", i) | print("i=", i) | ||
| + | end | ||
| + | |||
| + | ==foreach== | ||
| + | range = 1..3 | ||
| + | range.each do |i| | ||
| + | print("i=", i) | ||
| + | end | ||
| + | |||
| + | ==文字列foreach== | ||
| + | names = ["taro", "jiro", "sabu"] | ||
| + | for name in names | ||
| + | print("name=", name) | ||
| + | end | ||
| + | |||
| + | ==for(key,value)== | ||
| + | user = {:name => "taro", :age => "10", :birth => "1980-10-10"} | ||
| + | for key, value in user | ||
| + | print("key=", key, " value=", value) | ||
| + | end | ||
| + | |||
| + | ==foreach(key,value)== | ||
| + | user = {"name" => "taro", "age" => "10", "birth" => "1980-10-10"} | ||
| + | user.each do |key, value| | ||
| + | print("key=", key, " value=", value) | ||
end | end | ||
2017年11月7日 (火) 02:47時点における最新版
for
for i in 1..3 do
print("i=", i)
end
foreach
range = 1..3
range.each do |i|
print("i=", i)
end
文字列foreach
names = ["taro", "jiro", "sabu"]
for name in names
print("name=", name)
end
for(key,value)
user = {:name => "taro", :age => "10", :birth => "1980-10-10"}
for key, value in user
print("key=", key, " value=", value)
end
foreach(key,value)
user = {"name" => "taro", "age" => "10", "birth" => "1980-10-10"}
user.each do |key, value|
print("key=", key, " value=", value)
end
