Ruby - 制御構造：繰り返し

for

for 変数 in 式 [do]
   略
end

for i in [1, 2, 3]
    print i
end

for i in 1 .. 10
    print i
end

while

while 式 [do]
    略
end

while i < 5
    p array[i]
end

while修飾子

print _name while print_mode?

until

until 式 [do]
    略
end

until count < 10
    count = count + 1;
    print count;
end

until修飾子

print _name until print_mode?

break

for i in 1 .. 10
    print i
    for j in 1 .. 3
        print j;
        if j == $COUNT
            break;
        end
    end
# breakの結果、ここにくる。
end

next

for i in 1 .. 10
    print i, "\n"
    for j in 1 .. 3
        # nextの結果、ここにくる。
        print "next", "\n"
        if j == 2
            next;
        end
        print "J", j, "\n";
    end
end

redo

現在の繰り返しをやりなおす。

retry

...