Array#slice!():slice!()是一個Array類方法,用於選擇由索引或範圍給定的元素。
用法:Array.slice!()
參數:數組
返回:刪除索引或範圍給定的元素。
範例1:
# Ruby code for slice!() method
# declaring array
a = [18, 22, 33, nil, 5, 6]
# declaring array
b = [1, 4, 1, 1, 88, 9]
# declaring array
c = [18, 22, 50, 6]
# slice! method example
puts "slice!() method form:#{a.slice!(2, 4)}\n\n"
puts "slice!() method form:#{b.slice!(1, 3)}\n\n"
puts "slice!() method form:#{c.slice!(2, 3)}\n\n"
輸出:
slice!() method form:[33, nil, 5, 6] slice!() method form:[4, 1, 1] slice!() method form:[50, 6]
範例2:
# Ruby code for slice!() method
# declaring array
a = ["abc", "nil", "dog"]
# declaring array
c = ["cat", nil]
# declaring array
b = ["cow", nil, "dog"]
# slice! method example
puts "slice!() method form:#{a.slice!(1, 3)}\n\n"
puts "slice!() method form:#{b.slice!(1, 2)}\n\n"
puts "slice!() method form:#{c.slice!(0)}\n\n"
輸出:
slice!() method form:["nil", "dog"] slice!() method form:[nil, "dog"] slice!() method form:cat
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注:本文由純淨天空篩選整理自mayank5326大神的英文原創作品 Ruby | Array slice!() function。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。