Programming-Idioms

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Idiom #254 Replace value in list

Replace all occurrences of "foo" with "bar" in the string list x

(replace {"foo" "bar"} x)
classes
for i := 0 to x.count - 1 do
  if x[i] = 'foo' then
    x[i] := 'bar';
for i, v in enumerate(x):
  if v == "foo":
    x[i] = "bar"
x = ["bar" if v=="foo" else v for v in x]
x.map!{|el| el == "foo" ? "bar" : el}

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